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Pondering Voyagers' Interstellar Journeys, and Our Own

'One way or another, humanity’s future is in the cosmos. Perhaps spacecraft will one day manage to carry humans to the stars, or at least robots with instructions on how to create humans.

'Or, humanity may never expand beyond Earth. In two billion years, the sun’s brightness will increase by 15 percent, making our home similar to Venus today. A runaway greenhouse effect will produce surface temperatures in excess of 700 degrees Fahrenheit. Following that, in five billion years, the sun will exhaust its hydrogen fuel and its outer surface will expand as it becomes a red giant, eventually encompassing Earth within its outer layers.'

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Marta Steele Social Media Pages: Facebook page url on login Profile not filled in       Twitter page url on login Profile not filled in       Linkedin page url on login Profile not filled in       Instagram page url on login Profile not filled in

Marta Steele is an author/editor/blogger who has been writing for Opednews.com since 2006. She is also author of the 2012 book "Grassroots, Geeks, Pros, and Pols: The Election Integrity Movement's Nonstop Battle to Win Back the People's Vote, (more...)
 

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