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kottke.org posts about NASA

A NASA Spacecraft Has Touched the Sun

Watch video on YouTube.

For the first time in human history, a spacecraft has flown through the Sun’s corona to collect data and capture samples (and, crucially, exited safely).

During the flyby, Parker Solar Probe passed into and out of the corona several times. This is proved what some had predicted β€” that the AlfvΓ©n critical surface isn’t shaped like a smooth ball. Rather, it has spikes and valleys that wrinkle the surface. Discovering where these protrusions line up with solar activity coming from the surface can help scientists learn how events on the Sun affect the atmosphere and solar wind.

Six panels of images taken from inside a coronal streamer. They appear grayish with white streaks showing particles in the solar wind.

At one point, as Parker Solar Probe dipped to just beneath 15 solar radii (around 6.5 million miles) from the Sun’s surface, it transited a feature in the corona called a pseudostreamer. Pseudostreamers are massive structures that rise above the Sun’s surface and can be seen from Earth during solar eclipses.

Passing through the pseudostreamer was like flying into the eye of a storm. Inside the pseudostreamer, the conditions quieted, particles slowed, and number of switchbacks dropped β€” a dramatic change from the busy barrage of particles the spacecraft usually encounters in the solar wind.

For the first time, the spacecraft found itself in a region where the magnetic fields were strong enough to dominate the movement of particles there. These conditions were the definitive proof the spacecraft had passed the AlfvΓ©n critical surface and entered the solar atmosphere where magnetic fields shape the movement of everything in the region.

The first passage through the corona, which lasted only a few hours, is one of many planned for the mission. Parker will continue to spiral closer to the Sun, eventually reaching as close as 8.86 solar radii (3.83 million miles) from the surface. Upcoming flybys, the next of which is happening in January 2022, will likely bring Parker Solar Probe through the corona again.

The video above provides a great overview of the origins, objectives, and motivations for the mission.


Cosmic Relaxation

Watch video on YouTube.

Eight hours of ambient chillout music over images pulled from NASA’s photographic archive of nebulas, galaxies, planets, and other celestial objects? Sure, I’m in.

See also Hours and Hours of Relaxing & Meditative Videos.


Orbital Planes, a Photographic Ode to the Space Shuttle

closeup photo of the Space Shuttle Discovery

Space Shuttle instrument panel

Roland Miller has been documenting space exploration for more than 30 years and his latest book, which he’s funding via Kickstarter, is a photo documentation of the final years of NASA’s Space Shuttle program.

I started documenting the Space Shuttle program when I was teaching photography at a college near the Kennedy Space Center. In 2008, I began a concentrated effort to document the final years of the program. Orbital Planes is the result of that photography work. My hope is that Orbital Planes will give the reader their own personal view of the Space Shuttle and the technology and facilities that helped it fly.

You might remember Miller from his collaboration with Italian astronaut Paolo Nespoli photographing the ISS. (via colossal)


1800s Astronomical Drawings vs. Modern NASA Images

I love this post from the NYPL comparing astronomical drawings by E.L. Trouvelot done in the 1870s to contemporary NASA images.

Trouvelot was a French immigrant to the US in the 1800s, and his job was to create sketches of astronomical observations at Harvard College’s observatory. Building off of this sketch work, Trouvelot decided to do large pastel drawings of “the celestial phenomena as they appear…through the great modern telescopes.”

He made drawings of Saturn, Jupiter, aurora borealis, the Milky Way, and more. Here’s his incredible drawing of sun spots compared to a recent image of the Sun’s surface:

a drawing of sun spots

the sun

And his drawing of a solar eclipse compared to a recent image:

a drawing of a total solar eclipse

modern photo of a solar eclipse

Check out the post for more examples of Trouvelot’s work.


New USPS Stamps Celebrate the Sun

postage stamp with an image of a plasma blast from the Sun

postage stamp with an image of a solar flare from the Sun

a group of postage stamps featuring images of the Sun

The US Postal Service has released a set of Sun Science stamps that use images from NASA’s Solar Dynamics Observatory to illustrate different solar phenomena like plasma blasts, sunspots, and solar flares.

Printed with a foil treatment that adds a glimmer to the stamps, the images on these stamps come from NASA’s Solar Dynamics Observatory, a spacecraft launched in February 2010 to keep a constant watch on the sun from geosynchronous orbit above Earth. The striking colors in these images do not represent the actual colors of the sun as perceived by human eyesight. Instead, each image is colorized by NASA according to different wavelengths that reveal or highlight specific features of the sun’s activity.

One of the stamps highlights sunspots, two feature images of coronal holes, two show coronal loops, two depict plasma blasts, one is a view of an active sun that emphasizes its magnetic fields, and two show different views of a solar flare.

NASA has more on the science behind the images on the stamps and the whole set of stamps are available for purchase online.

See also A Decade of the Sun.


A Helicopter Flies on Mars

Ingenuity Shadow

Deployed from NASA’s Perseverance rover, the Ingenuity helicopter took off and hovered for about 30 seconds in its first flight early this morning.

The solar-powered helicopter first became airborne at 3:34 a.m. EDT (12:34 a.m. PDT) β€” 12:33 Local Mean Solar Time (Mars time) β€” a time the Ingenuity team determined would have optimal energy and flight conditions. Altimeter data indicate Ingenuity climbed to its prescribed maximum altitude of 10 feet (3 meters) and maintained a stable hover for 30 seconds. It then descended, touching back down on the surface of Mars after logging a total of 39.1 seconds of flight. Additional details on the test are expected in upcoming downlinks.

Ingenuity’s initial flight demonstration was autonomous β€” piloted by onboard guidance, navigation, and control systems running algorithms developed by the team at JPL. Because data must be sent to and returned from the Red Planet over hundreds of millions of miles using orbiting satellites and NASA’s Deep Space Network, Ingenuity cannot be flown with a joystick, and its flight was not observable from Earth in real time.

NASA livestreamed the team in Mission Control as the test results were transmitted back to Earth. The photo above is of Ingenuity’s shadow taken while in flight by its onboard camera.

Update: Here’s video footage of the first flight:

Watch video on YouTube.

And there’s always room for a little Great Span on this site. Alex Knapp:

The world’s oldest living person was alive when the Wright Brothers flew at Kitty Hawk and when the first helicopter flew on Mars.


NASA Tournament to Determine the Best Photo Taken from the ISS

photo taken from the ISS

photo taken from the ISS

NASA’s Earth Observatory is holding a single-elimination tournament to find the best photograph taken by an astronaut from the International Space Station. Round 2 is now underway, with 16 photos duking it out for the top spot. The winners are determined by public vote, so get in there and vote for your favorites! (via @thelastminute)


The Secret Message Encoded in the Parachute of the Mars Perseverance Rover

decode instructions for the secret message hidden in the pattern of the Parachute of the Perseverance rover

decode instructions for the secret message hidden in the pattern of the Parachute of the Perseverance rover

NASA engineers encoded a secret message in the parachute the Perseverance rover used to slow its descent to the surface of Mars. Tanya Fish provided a handy guide to decoding it on Twitter and as a PDF available on GitHub.


Onboard Camera Views from Perseverance Rover’s Descent & Touchdown on Mars

Watch video on YouTube.

Just a few days after the Perseverance rover successfully touched down on Mars, NASA has released onboard video from the descent and landing from multiple perspectives. I watched this with my kids last night and all three of us had our mouths hanging open.

The real footage in this video was captured by several cameras that are part of the rover’s entry, descent, and landing suite. The views include a camera looking down from the spacecraft’s descent stage (a kind of rocket-powered jet pack that helps fly the rover to its landing site), a camera on the rover looking up at the descent stage, a camera on the top of the aeroshell (a capsule protecting the rover) looking up at that parachute, and a camera on the bottom of the rover looking down at the Martian surface.

After watching it again just now, I am struck by two things:

  1. Sometime in my lifetime, live broadcasts from Mars will likely become commonplace. There will be dozens or hundreds of Mars webcams you can pull up on whatever the 2052 internet equivalent is. It will be amazing how boring it all is. (Or perhaps it’ll be boring how amazing it all is.)
  2. That humans landed on the Moon in 1969 was an incredible feat, but a close second is that the first steps were broadcast live from the Moon’s surface to everywhere on the Earth. Unbelievable.

Can’t wait to see more from Perseverance once the science program gets cranking.


Watch NASA’s Perseverance Rover Land on Mars Live

Watch video on YouTube.

Today is the day! NASA’s latest Mars rover is scheduled to touch down on the surface of Mars at around 3:55pm EST today1 and you can follow along online. You probably know the drill by now: what you’ll be watching isn’t actually live (it’s delayed by 11 minutes & 22 seconds, the time it takes for data to reach the Earth from Mars) and there’s no video to watch…there’s just telemetry from the rover that indicates where it is and what it’s doing. But I can say having watched the Curiosity landing in 2012, it’s still super exciting and nerve-wracking.

NASA has a number of ways to watch online, including their main stream on YouTube (embedded above), en EspaΓ±ol, the “clean feed” from mission control without commentary, and a 360-degree stream, as well as options on Twitter, Facebook, Twitch, etc. You can also watch on NASA TV or through NASA apps on your phone, tablet, or TV. The coverage starts at 2:15pm EST (find your local time) and if all goes well, things start to get exciting at about 3:38pm EST and the landing will happen around 3:55pm EST. To get ready, you can check this page for a schedule of what happens when, watch a video about what’s gonna happen, and look at this live simulated view of where the Perseverance spacecraft is now (here too). Good luck, little rover!

  1. All times in this post (and stated by NASA in their schedules) are when we here on Earth will learn of events after the 11 minute & 22 second informational travel time from Mars is factored in. So while the Mars landing will actually occur around 3:44pm EST, we won’t know about it until 3:55pm EST.↩


The Perseverance Rover Lands on Mars Tomorrow

Watch video on YouTube.

Curiosity is about to get some company. NASA’s newest rover, Perseverance, is set to land on Mars beginning tomorrow at around 3pm EST. The video above walks us through the 7-minute landing routine in which the rover ditches its spacecraft, heat shields its way through the Martian atmosphere, deploys its parachute, uses an onboard guidance system to navigate to a good landing spot, and finally is lowered down to the surface via a sky crane. The rover’s destination is Jezero Crater, site of an ancient river delta and lakebed.

Jezero Crater tells a story of the on-again, off-again nature of the wet past of Mars. More than 3.5 billion years ago, river channels spilled over the crater wall and created a lake. Scientists see evidence that water carried clay minerals from the surrounding area into the crater lake. Conceivably, microbial life could have lived in Jezero during one or more of these wet times. If so, signs of their remains might be found in lakebed or shoreline sediments. Scientists will study how the region formed and evolved, seek signs of past life, and collect samples of Mars rock and soil that might preserve these signs.

Here’s how you can watch the landing “live” tomorrow (i.e. delayed by the 11 minutes & 22 seconds it takes for signals to travel from Mars). I’ll do a separate post tomorrow w/ the proper YouTube embeds so we can all follow along together.


Watch a NASA Spacecraft Touch Down On an Asteroid to Collect a Sample

Watch video on YouTube.

On Tuesday, NASA’s OSIRIS-REx spacecraft touched down on an asteroid called Bennu for about six seconds in order to collect a mineral sample to bring back to Earth.

The Origins Spectral Interpretation Resource Identification Security - Regolith Explorer spacecraft will travel to a near-Earth asteroid, called Bennu (formerly 1999 RQ36), and bring at least a 2.1-ounce sample back to Earth for study. The mission will help scientists investigate how planets formed and how life began, as well as improve our understanding of asteroids that could impact Earth.

The video above is a time lapse sequence of the touch down, sampling, and subsequent take off.

These images were captured over approximately a five-minute period. The imaging sequence begins at about 82 feet (25 meters) above the surface, and runs through the back-away maneuver, with the last image in the sequence taken at approximately 43 feet (13 meters) in altitude β€” about 35 seconds after backing away. The sequence was created using 82 SamCam images, with 1.25 seconds between frames.


Challenger: The Final Flight

Watch video on YouTube.

From Netflix, Challenger: The Final Flight is a four-part documentary series about the 1986 Challenger Space Shuttle disaster.

Incorporating never-before-seen interviews and rare archival material, this series offers an in-depth look at one of the most diverse crews NASA assembled, including high school teacher Christa McAuliffe, who was selected to be the first private citizen in space.

The series debuts on Netflix on Sept 16.


A Decade of Sun

Watch video on YouTube.

For the past 10 years now, NASA’s Solar Dynamics Observatory (SDO) has been capturing an image of the Sun every 0.75 seconds. To celebrate, NASA created this 61-minute time lapse video of all ten years, with each second representing one day in the Sun’s life. They have helpfully highlighted some noteworthy events in the video, including solar flares and planetary transits.

12:24, June 5, 2012 β€” The transit of Venus across the face of the Sun. Won’t happen again until 2117.

13:50, Aug. 31, 2012 β€” The most iconic eruption of this solar cycle bursts from the lower left of the Sun.

43:20, July 5, 2017 β€” A large sunspot group spends two weeks crossing the face of the Sun.

See also Gorgeous Time Lapse of the Sun.


Teacher Tells Off Neil Armstrong for Faking the Moon Landing

In a letter recently published in a new book, A Reluctant Icon: Letters to Neil Armstrong, a teacher wrote a letter to the first human to set foot on the Moon accusing him of making the whole thing up.

Armstrong Letter Hoax

To which Armstrong replied:

Armstrong Letter Hoax

(via the excellent Letters of Note)


NASA & SpaceX Scheduled to Launch Astronauts Into Orbit From US Soil for First Time in 9 Years

Watch video on YouTube.

NASA and SpaceX are scheduled to launch two astronauts into orbit this afternoon from the United States for the first time in nine years. The launch is scheduled to take place at 4:33 p.m. EDT. We’ll be watching for sure!

SpaceX is targeting Wednesday, May 27 for Falcon 9’s launch of Crew Dragon’s second demonstration (Demo-2) mission from Launch Complex 39A (LC-39A) at NASA’s Kennedy Space Center in Florida. This test flight with NASA astronauts Bob Behnken and Doug Hurley on board the Dragon spacecraft will return human spaceflight to the United States.

The mission is also the first time a private company will carry humans into orbit. You can watch the launch in the stream above with commentary (the coverage has already started β€” the astronauts just suited up and are on their way to launchpad 39A and now Kelly Clarkson is singing the National Anthem from her house) or with just the audio feed from Mission Control. And you can read more about the mission here.

Update: The launch got scrubbed for today β€” poor weather conditions. The next launch window is Saturday, May 30 at 3:22pm ET.


Lunar Landing Recreated from Archival NASA Photos

Watch video on YouTube.

Using thousands of original photographs taken by astronauts during the Apollo missions, motion designer Christian Stangl and composer Wolfgang Stangl worked for 18 months to create this animated short film depicting a flight to the Moon, culminating in a landing and the exploration of the surface. (via moss & fog)


Colorful New Geological Map of the Moon

Moon Geological Map

Moon Geological Map

Watch video on YouTube.

In collaboration with NASA and the Lunar and Planetary Institute, the USGS has released the first complete geological map of the Moon’s surface.

This new work represents a seamless, globally consistent, 1:5,000,000-scale geologic map derived from the six digitally renovated geologic maps (see Source Online Linkage below). The goal of this project was to create a digital resource for science research and analysis, future geologic mapping efforts, be it local-, regional-, or global-scale products, and as a resource for the educators and the public interested in lunar geology.

Strange Maps has more information on how the map came to be and what it shows.

The map was created by the U.S. Geological Service’s Astrogeology Science Center in Flagstaff, Arizona. In collaboration with NASA and the Lunar and Planetary Institute, it combined six ‘regional’ maps of the Moon made during the Apollo era (1961-1975) with input from more recent unmanned lunar missions.

This included data on the polar regions from NASA’s Lunar Orbiter Laser Altimeter (LOLA) and close-ups of the equatorial zone from the Japanese Space Agency’s recent SELENE mission.

The two images above show the entire map and a detailed view of a single area (which includes the landing sites of 3 Apollo missions) while the video shows a rotating globe version of the map.


Apollo 11’s Post-Lunar Quarantine

Watch video on YouTube.

I do not know if hearing about other people’s quarantine experiences makes going through one yourself any easier, but the story of how NASA sequestered the returning Apollo 11 astronauts away from the rest of the world for 21 days is interesting for other reasons as well. The worry was that some sort of “moon bug” or “lunar plague” was going to make its way from the Moon to the Earth in the spacecraft or the astronauts’ bodies.

From the moment the Apollo 11 astronauts arrive back on earth from their epochal visit to the moon, they will be treated not as heroes but as bearers of the most virulent, devastating plague the world has ever known.

So NASA quarantined Armstrong, Aldrin, and Collins in a series of specially designed suits and environments until August 10, 1969. At one point, the three of them lived in a modified Airstream trailer in which the air pressure was lower on the inside than outside so if there was a leak, air would rush into the trailer, not out. Armstrong even celebrated a birthday in quarantine.

After Apollo 11, NASA did similar quarantines for 12 and 14 but abandoned them after that because they figured it was safe.

Oh, and if you were curious about the Soyuz launch yesterday that sent three astronauts to the ISS and how they were going to mitigate the chances of sending any SARS-CoV-2 up there, crews on all missions are subject to a mandatory 2 week quarantine before they leave (according to this press release).


The Curiosity Rover Captures a 1.8 Gigapixel Panorama of Mars

Mars Curiosity Pano

Late last year, NASA’s Curiosity rover took over a thousand photos of the Martian landscape while exploring a mountainside. NASA stitched the photos together and recently released this 1.8 gigapixel panorama of Mars (along with a mere 650 megapixel panorama, pictured above). Here’s a version you can pan and zoom:

And a narrated video of the panorama:

Watch video on YouTube.

Both panoramas showcase “Glen Torridon,” a region on the side of Mount Sharp that Curiosity is exploring. They were taken between Nov. 24 and Dec. 1, when the mission team was out for the Thanksgiving holiday. Sitting still with few tasks to do while awaiting the team to return and provide its next commands, the rover had a rare chance to image its surroundings from the same vantage point several days in a row.

I like how NASA is casually suggesting that the rover is just kinda taking some vacation snaps while waiting on friends.


Time Lapse Visualization of How 10 Satellites Build a Daily Global Precipitation Map

Watch video on YouTube.

The first 30 seconds of this time lapse video provides a great look into how the 10 satellites that make up the Global Precipitation Measurement Constellation scan the surface of the Earth to provide daily global precipitation maps.

This visualization shows the constellation in action, taking precipitation measurements underneath the satellite orbits. As time progresses and the Earth’s surface is covered with measurements, the structure of the Earth’s precipitation becomes clearer, from the constant rainfall patterns along the Equator to the storm fronts in the mid-latitudes. The dynamic nature of the precipitation is revealed as time speeds up and the satellite data swaths merge into a continuous visualization of changing rain and snowfall.


NASA: How We’re Going (Back) to the Moon

Watch video on YouTube.

Before the holidays, NASA announced their plan for going back to the Moon by 2024.

With the Artemis program, NASA will land the first woman and next man on the Moon by 2024, using innovative technologies to explore more of the lunar surface than ever before. We will collaborate with our commercial and international partners and establish sustainable exploration by 2028. Then, we will use what we learn on and around the Moon to take the next giant leap β€” sending astronauts to Mars.

The plan involves many supply runs and a small space station orbiting the Moon so that things like rovers and lunar landers are in place when manned missions need to land on the Moon or even continue on to Mars. You can check out all of the details on NASA’s website.


Behold Our Dazzling Night Sky When the Milky Way Collides with Andromeda in 4 Billion Years

This is what our night sky is going to look like in 3.9 billion years:

Milkdromeda

Wow! So what’s going on here? Using data from the Hubble Space Telescope, astronomers at NASA have predicted that our own Milky Way galaxy and the nearby Andromeda galaxy (M31) will collide about 4 billion years from now. As part of the announcement from 2012, they produced a video of what the collision would look like and a series of illustrations of what our sky will look like during the collision process.1

In 2 billion years, Andromeda will be noticeably closer in the sky:

Milkdromeda

By 3.75 billion years, it will fill a significant chunk of the sky. And the Milky Way will begin to bend due to the pull of gravity from Andromeda:

Milkdromeda

In about 3.85 billion years, the first close approach will trigger the formation of new stars, “which is evident in a plethora of emission nebulae and open young star clusters”:

Milkdromeda

Star formation continues 3.9 billion years from now. Could you imagine actually going outside at night and seeing this? It’s like a nightly fireworks display:

Milkdromeda

After the galaxies pass by each other in 4 billion years, they are stretched and warped by gravity:

Milkdromeda

In 5.1 billion years, Andromeda and the Milky Way will come around for a second close pass, their galactic cores blazing bright in the night sky:

Milkdromeda

And finally, in 7 billion years, the two galaxies will have merged into a single elliptical galaxy nicknamed Milkdromeda:

Milkdromeda

Interestingly, despite the galactic collision and the dazzling view from Earth, it’s extremely unlikely that any individual stars will collide because of the sheer amount of empty space in galaxies.

  1. I mean, assuming there will still be someone or something standing on the Earth 4 billion years from now to witness it. Presumably whoever’s around will have solved light pollution by then? The bigger worry is that according to the timeline of the far future, Earth will be uninhabitable long before an collision occurs (average surface temp of 296 Β°F in 2.8 billion years). Toasty!↩


What Neil Armstrong Saw from His Window As He Landed on the Moon

I was away this weekend at a family function and mostly without internet access, so I didn’t get to watch the coverage of the Moon landing for the first time in more than a decade. I also didn’t get to share a bunch of links I had up in browser tabs and now I think everyone is (justifiably) tired of all the Apollo 11 hoopla, myself included. But I hope you’ll indulge me in just one more and then I’ll (maybe! hopefully!) shut up about it for another year.

It’s tough to narrow it down, but the most dramatic & harrowing part of the whole mission is when Neil Armstrong notices that the landing site the LM (call sign “Eagle”) is heading towards is no good β€” it’s too rocky and full of craters β€” so he guides the spacecraft over that area to a better landing spot. He does this despite never having flown the LM that way in training, with program alarms going off, with Mission Control not knowing what he’s doing (he doesn’t have time to tell them), and with very low fuel. Eagle had an estimated 15-20 seconds of fuel left when they touched down and the guy doing the fuel callouts at Mission Control was basically just estimating the remaining fuel in his head based on how much flying he thinks the LM had done…and again, the LM had never been flown like that before and Mission Control didn’t know what Armstrong was up to! (The 13 Minutes to the Moon podcast does an excellent job explaining this bit of the mission, episode 9 in particular.)

Throughout this sequence, there was a camera pointed out Buzz Aldrin’s window β€” you can see that video here β€” but that was a slightly different view from Armstrong’s. We’ve never seen what Armstrong saw to cause him to seek out a new landing site. Now, a team at NASA has simulated the view out of his window using data from the Lunar Reconnaissance Orbiter Camera:

Watch video on YouTube.

The LROC team reconstructed the last three minutes of the landing trajectory (latitude, longitude, orientation, velocity, altitude) using landmark navigation and altitude call outs from the voice recording. From this trajectory information, and high resolution LROC NAC images and topography, we simulated what Armstrong saw in those final minutes as he guided the LM down to the surface of the Moon. As the video begins, Armstrong could see the aim point was on the rocky northeastern flank of West crater (190 meters diameter), causing him to take manual control and fly horizontally, searching for a safe landing spot. At the time, only Armstrong saw the hazard; he was too busy flying the LM to discuss the situation with mission control.

This reconstructed view was actually pretty close to the camera’s view out of Aldrin’s window:

Watch video on YouTube.

See also a photograph of the Apollo 11 landing site taken by the LRO camera from a height of 15 miles.


Neil and Buzz Barely Got Out of the Infield

Apollo 11 Baseball

With the 50th anniversary of the first crewed landing on the Moon fast approaching, I thought I’d share one of my favorite views of the Moon walk, a map of where Neil Armstrong and Buzz Aldrin walked on the Moon, superimposed over a baseball field (bigger). The Lunar Module is parked on the pitcher’s mound and you can see where the two astronauts walked, set up cameras, collected samples, and did experiments.

This map easily illustrates something you don’t get from watching video of the Moon walk: just how close the astronauts stayed to the LM and how small an area they covered during their 2 and 1/2 hours on the surface. The crew had spent 75+ hours flying 234,000 miles to the Moon and when they finally got out onto the surface, they barely left the infield! On his longest walk, Armstrong ventured into center field about 200 feet from the mound, not even far enough to reach the warning track in most major league parks. In fact, the length of Armstrong’s walk fell far short of the 363-foot length of the Saturn V rocket that carried him to the Moon and all of their activity could fit neatly into a soccer pitch (bigger):

Apollo 11 Soccer

Astronauts on subsequent missions ventured much further. The Apollo 12 crew ventured 600 feet from the LM on their second walk of the mission. The Apollo 14 crew walked almost a mile. After the Lunar Rover entered the mix, excursions up to 7 miles during EVAs that lasted for more than 7 hours at a time became common.


Video of the Complete Descent of the Apollo 11 Lunar Module

Watch video on YouTube.

The Apollo Flight Journal has put together a 20-minute video of the full descent and landing of the Apollo 11 Lunar Module containing Neil Armstrong and Buzz Aldrin on July 20, 1969.

The video combines data from the onboard computer for altitude and pitch angle, 16mm film that was shot throughout the descent at 6 frames per second. The audio recording is from two sources. The air/ground transmissions are on the left stereo channel and the mission control flight director loop is on the right channel. Subtitles are included to aid comprehension.

Reminder that you can follow along in sync with the entire Apollo 11 mission right up until their splashdown. I am also doing my presentation of Walter Cronkite’s CBS news coverage of the landing and the Moon walk again this year, starting at 4:10pm EDT on Saturday, July 20. Here’s the post I wrote about it last year for more details. (thx, david)


The Apollo 11 Mission in Realtime

Apollo 11 Realtime

Well, this is just flat-out fantastic. Ben Feist and a team of collaborators have built Apollo 11 In Real Time, an interactive presentation of the first mission to land on the Moon as it happened.

This website replays the Apollo 11 mission as it happened, 50 years ago. It consists entirely of historical material, all timed to Ground Elapsed Time β€” the master mission clock. Footage of Mission Control, film shot by the astronauts, and television broadcasts transmitted from space and the surface of the Moon, have been painstakingly placed to the very moments they were shot during the mission, as has every photograph taken, and every word spoken.

You can tune in in real time beginning July 16th, watch/experience it right now from 1 minute before launch, or you can skip around the timeline to just watch the moments you want. As someone who has been hosting an Apollo 11 in real time thing for the past 9 years, this site makes me both ridiculously happy and a little bit jealous.

I’ve only ever seen footage of the first moonwalk in grainy videos as broadcast on TV, but this site shows it in the original resolution and it’s a revelation. Here’s the moonwalk, beginning with some footage of the folks in Mission Control nervously fidgeting with their hands (skip to 5:18:00 if the video doesn’t start there):

Watch video on YouTube.

The rest of the video for the entire mission can be found here…what a trove. This whole thing is marvelous…I can’t wait to tune in when July 16th rolls around.


Chasing the Moon

Watch video on YouTube.

In July, American Experience will air Chasing the Moon, a 6-hour documentary film about the effort to send a manned mission to the Moon before the end of the 1960s.

The series recasts the Space Age as a fascinating stew of scientific innovation, political calculation, media spectacle, visionary impulses and personal drama. Utilizing a visual feast of previously overlooked and lost archival material β€” much of which has never before been seen by the public β€” the film features a diverse cast of characters who played key roles in these historic events. Among those included are astronauts Buzz Aldrin, Frank Borman and Bill Anders; Sergei Khrushchev, son of the former Soviet premier and a leading Soviet rocket engineer; Poppy Northcutt, a 25-year old “mathematics whiz” who gained worldwide attention as the first woman to serve in the all-male bastion of NASA’s Mission Control; and Ed Dwight, the Air Force pilot selected by the Kennedy administration to train as America’s first black astronaut.

Among the stories not usually told about the Moon missions is that of Ed Dwight, NASA’s first black astronaut trainee:

Watch video on YouTube.

Since 2019 is the 50th anniversary of the Apollo 11 mission, there’s a *lot* of stuff out there about the Space Race and Apollo program, but this film looks like it’s going to be one of the best. The film will start airing on PBS on July 8 and the Blu-ray & DVD comes out on July 9. There’s a companion book that will be available next week.


Nichelle Nichols’ 1977 NASA Recruitment Film for Space Shuttle Astronauts

In this NASA promotional film from 1977, Star Trek star Nichelle Nichols takes a tour of the Johnson Space Center with Apollo 12 astronaut Al Bean and urges viewers, especially women and people of color, to sign up to be astronauts on NASA’s Space Shuttle program.

Watch video on YouTube.

As one of the first black women to play a lead role on television, Nichols was a role model for women and people of color, particularly those interested in science, space, and engineering. When she was she thinking of quitting Star Trek, Nichols met Martin Luther King Jr. at a NAACP fundraiser and he talked her into staying on the show. She recalled King telling her:

Do you not understand what God has given you? … You have the first important non-traditional role, non-stereotypical role. … You cannot abdicate your position. You are changing the minds of people across the world, because for the first time, through you, we see ourselves and what can be.

So when NASA came calling, Nichols used her position well:

She relayed her response to NASA with a mischievous twinkle in her eye, “I am going to bring you so many qualified women and minority astronaut applicants for this position that if you don’t choose one… everybody in the newspapers across the country will know about it.”

Nichols credited Star Trek with the success of her recruiting efforts. “Suddenly the people who were responding were the bigger Trekkers you ever saw. They truly believed what I said… it was a very successful endeavor. It changed the face of the astronaut corp forever.”

Among the recruits drawn to NASA by Nichols’ efforts were Sally Ride, the first American woman in space, Ronald McNair & Judith Resnick, who both died in the Challenger accident, Guion Bluford, the first African-American in space, and Mae Jemison, who was the first black woman in space. The diversity of the latest batch of NASA astronauts-in-training is a testament to Nichols’ and NASA’s joint efforts as well. (via open culture)


US Postal Service Unveils 50th Anniversary Apollo 11 Stamps

Apollo 11 Usps

In commemoration of the 50th anniversary of the Apollo 11 Moon landing, the USPS is releasing a pair of stamps with lunar imagery.

One stamp features a photograph of Apollo 11 astronaut Buzz Aldrin in his spacesuit on the surface of the moon. The image was taken by astronaut Neil Armstrong. The other stamp, a photograph of the moon taken in 2010 by Gregory H. Revera of Huntsville, AL, shows the landing site of the lunar module in the Sea of Tranquility. The site is indicated on the stamp by a dot.

These pair nicely with the US Mint’s Apollo 11 commemorative coins.

Apollo 11 Mint Coin

(via swissmiss)