On this day in space! Oct. 13, 1773: Astronomer Charles Messier discovers the Whirlpool Galaxy before we ever knew it was a galaxy
Source Space.com 航天2d ago
Summary
On Oct. 13, 1773, a French astronomer named Charles Messier discovered the "Whirlpool Galaxy," also known as Messier 51, or M51. Here's why it mattered.
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Open original- Desk
- Science
- Region
- Americas
- Language
- English
- Item ID
- science-b8b4809f
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