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More than 700 new planets discovered today

posted by Jason Kottke   Feb 26, 2014

NASA announced the discovery of 719 new planets today. That brings the tally of known planets in our universe to almost 1800. 20 years ago, that number was not more than 15 (including the nine planets orbiting the Sun). Here’s a rough timeline of the dramatically increasing pace of planetary discovery:

4.54 billion BCE-1700: 6
1700-1799: 1
1800-1899: 1
1900-1950: 1
1951-1990: 1
1991-2000: 49
2001-2005: 131
2006-2010: 355
2006: -1 [for Pluto :( ]
2011-2014: 1243

Last year, Jonathan Corum made an infographic of the sizes and orbits of the 190 confirmed planets discovered at that point by the Kepler mission. I hope the Times updates it with this recent batch.

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