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Earth Sized Planets

Redemption

Victor Stenger | Posted 01.23.2014 | Science
Victor Stenger

Since there are about 150 billion other galaxies in the visible cosmos, this multiplies out to 5,000,000,000,000,000,000,000 planets within the visible universe capable of supporting biological life of some form.

Milky Way Teeming With Billions Of Earth-Size Planets

AP/NASA | SETH BORENSTEIN | Posted 11.05.2013 | Science

By SETH BORENSTEIN, The Associated Press WASHINGTON -- WASHINGTON (AP) — Space is vast, but it may not be so lonely after all: A study finds the ...

WATCH: New Study Yields Huge Surprise About Habitable Planets

Space.com | Tanya Lewis | Posted 11.05.2013 | Science

Habitable alien planets similar to Earth may not be that rare in the universe, a new study suggests. About one in five sunlike stars observed by NA...