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How do astronomers know about the future collision of Andromeda and the Milky Way?
Answers
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Nobody
1. Astronomers have observed
2. Same age stars
3. Contact
4. It's size & It's distance
5. Slow evolution
6. In interstellar gases
7. In denser regions with little space between atoms
100% But read threw! Questions & Answers maybe mixed around
2. Same age stars
3. Contact
4. It's size & It's distance
5. Slow evolution
6. In interstellar gases
7. In denser regions with little space between atoms
100% But read threw! Questions & Answers maybe mixed around