Corey S Powell
@coreyspowell@mastodon.social
Writer, editor, magazine maker, podcaster, procrastinator. Former editor of Discover and American Scientist magazines. Co-host of # ScienceRules podcast. Invisible Universe on Substack: https:// invisibleuniverse.substack.com/ Co-founder of OpenMind magazine. # science # nature # space # scicomm
mastodon.social
Corey S Powell
@coreyspowell@mastodon.social
Writer, editor, magazine maker, podcaster, procrastinator. Former editor of Discover and American Scientist magazines. Co-host of # ScienceRules podcast. Invisible Universe on Substack: https:// invisibleuniverse.substack.com/ Co-founder of OpenMind magazine. # science # nature # space # scicomm
mastodon.social
@coreyspowell@mastodon.social
·
Dec 31, 2025
The first time they were ever seen together: Earth and a crescent Phobos shining in the evening sky of Mars.
HT Paul Byrne
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