The Quick Hit: 9 Things to Know About the New Earth-Like Planets
All of them are roughly the same size as our home planet. Six are likely rocky, and three are in the so-called habitable zone, meaning they could have liquid water./ These planets are now considered the best places to search for life outside our solar system./ Three of the planets were discovered last year, and the additional four were just recently found using NASA's Spitzer Space Telescope./ All seven could have liquid water, but the 4th, 5th, and 6th from the star are the most likely candidates./ The star has just 8 percent as much mass ...
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