Within just 50 light-years from Earth, there are about 1,560 stars, likely orbited by several thousand planets. About a thousand of these extrasolar planets--known as exoplanets--may be rocky and have a composition similar to Earth's. Some may even harbor life. Over 99% of these alien worlds remain undiscovered--but this is about to change.
NASA's TESS spacecraft is finding hundreds of exoplanets - and is poised to find thousands more
Phys.org - 5 Nov 2019 16:30
Within just 50 light-years from Earth, there are about 1,560 stars, likely orbited by several thousand planets. About a thousand of these extrasolar planets--known as exoplanets--may be rocky and have a composition similar to Earth's. Some may even harbor life. Over 99% of these alien worlds remain undiscovered--but this is about to change.
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