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packman

(16,296 posts) Sat Nov 26, 2022, 02:39 PM Nov 2022

9

Sometimes the abyss looks back - distant merged galaxies

More - with video:

https://www.nasa.gov/image-feature/goddard/2019/menacing-looking-face-formed-by-titanic-smashup-between-two-galaxies

2 replies

= new reply since forum marked as read

Highlight:

Sometimes the abyss looks back - distant merged galaxies (Original Post) packman Nov 2022 OP

If the universe is expanding, why are there colliding galaxies? docgee Nov 2022 #1

The Milky Way galaxy will merge with... PJMcK Nov 2022 #2

docgee

(870 posts)

1. If the universe is expanding, why are there colliding galaxies?

Reply to packman (Original post)

Sat Nov 26, 2022, 03:14 PM

Nov 2022

I guess they formed closely enough for gravity to be the stronger force.

PJMcK

(22,037 posts)

2. The Milky Way galaxy will merge with...

Reply to docgee (Reply #1)

Sat Nov 26, 2022, 04:17 PM

Nov 2022

…the Andromeda galaxy in about 4 billion years.

The expansion of the universe doesn’t mean that everything is moving away from everything else.

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