Circumstellar Habitable Zone 10/19/2010 480 × 284 What are galactic habitable zones and circumstellar habitable zones? Circumstellar Habitable Zone Circumstellar Habitable Zone
Can the circumstellar habitable zone picture (top one shown above) be used for Christian educational purposes, or is it copyrighted? Thanks, steve LikeLike Reply
WINTERY KNIGHT 
Can the circumstellar habitable zone picture (top one shown above) be used for Christian educational purposes, or is it copyrighted?
Thanks, steve
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