About George Mullen
George Mullen was an astronomer.
George Mullen is an astronomer who co-authored several peer-reviewed articles with Carl Sagan. He, along with Sagan, pointed out the faint young Sun paradox. In addition to studying the early Earth atmosphere, he studied the atmosphere of Jupiter.
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Important facts
Frequently asked questions
Who was George Mullen?
astronomer
What was George Mullen's occupation?
George Mullen was an astronomer.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). George Mullen. https://biography.guide/george-mullen/
MLA: "George Mullen." Biography.guide, https://biography.guide/george-mullen/.
Chicago: "George Mullen." Biography.guide. https://biography.guide/george-mullen/.
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