Astronomers are tracking a 250-meter-wide asteroid called  FEB 19 2007

Astronomers are tracking a 250-meter-wide asteroid called Apophis which will come within 30,000 km of earth in 2029. However, it's too soon to tell if that near-miss will pull the asteroid into a collision course with the earth 7 years later. "Lu says the best way to deflect an asteroid is with a 'gravity tractor' -- a spacecraft displacing about 1 metric ton that simply hovers near an asteroid and gently tweaks its orbit."

Read more posts on kottke.org about:
astronomy

kottke.org

Front page
About + contact
Site archives

Subscribe

Follow kottke.org on Twitter

Follow kottke.org on Tumblr

Like kottke.org on Facebook

Subscribe to the RSS feed

Advertisement

Ads by The Deck

Support kottke.org shop at Amazon

And more at Amazon.com

Looking for work?

More at We Work Remotely

Kottke @ Quarterly

Subscribe to Quarterly and get a real-life mailing from Jason every three months.

 

Enginehosting

Hosting provided EngineHosting