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Are Andromeda and the Milky Way already colliding?

Posted: Sun Jul 18, 2021 1:49 pm
by antosarai
Reading today's APOD — https://apod.nasa.gov/apod/ap210718.html; Andromeda Galaxy in Ultraviolet — I was surprised: I always thought M31 was 120,000 light-years wide and there it says M31 spans about 230,000 light-years. I went searching for info on the matter and eventually I came to this site: https://astronomy.com/news/2020/09/warn ... hey-appear.

And then I was really surprised.

Re: Are Andromeda and the Milky Way already colliding?

Posted: Mon Jul 19, 2021 11:49 am
by paladin17
I predict new end of the world cult stemming from that soon.

Re: Are Andromeda and the Milky Way already colliding?

Posted: Mon Jul 19, 2021 12:35 pm
by antosarai
I wouldn't doubt it.
O no, not me.