Skeptophilia
Fighting Gullibility with Sarcasm, 6 days a week
Showing posts with label
Planet X
.
Show all posts
Showing posts with label
Planet X
.
Show all posts
Tuesday, March 29, 2022
A terrestrial heartbeat
›
When I was an undergraduate at the University of Louisiana, I took a class called Introduction to Astronomy from a fellow named Daniel Whitm...
›
Home
View web version
