Skeptophilia
Fighting Gullibility with Sarcasm, 6 days a week
Showing posts with label
PDS 70
.
Show all posts
Showing posts with label
PDS 70
.
Show all posts
Friday, July 21, 2023
Pas de deux
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Ever heard of Antichthon ? Sometimes called "Counter-Earth," Antichthon is a hypothesized (now known to be nonexistent) planet in...
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