The Sun Will Eventually Engulf Earth-- Scientific ...

The Sun Will Eventually Engulf Earth-- Scientific ...

www.scientificamerican.com › SpaceSeptember 2008Advances
Aug 18, 2008 - The sun is slowly expanding and brightening, and over the next few billion years it will ... About 7.6 billion years from now, the sun will reach its maximum size as a red giant: its surface ... at about three millimeters a year, or only 0.0002 AU by the sun's red giant phase. ... jslymm34 August 5, 2009, 1:53 PM.
 
 











 
 

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