andromeda galaxy, n.All

Edwin ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠Hubble's proof that Andromeda is a separate galaxy reportedly came from a photograph taken on a night logged as having poor seeing.

The ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠Milky Way may crash into the Andromeda galaxy, though a 2025 study put the odds within the next 10 billion years at roughly 50-50.