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Q&A Rigorous Science Meta
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Q&A Life without a bright star?

The main source of free energy that allowed life on Earth to develop was our sun. It bombards the planet's surface with photons of high energy, which provide activation energy for reactions necessa...

2 answers  ·  posted 5y ago by Franklin Pezzuti Dyer‭  ·  last activity 5y ago by Franklin Pezzuti Dyer‭

Question earth-like evolution stars alternate-worlds earth energy