Religion and Ethics Forum

General Category => Science and Technology => Topic started by: Sriram on December 18, 2021, 02:50:29 PM

Title: Collision of Andromeda and Milky Way
Post by: Sriram on December 18, 2021, 02:50:29 PM: Hi everyone,

Here is an interesting article with illustrations about the merger of Andromeda with the Milky Way that will happen about 5 billion years from now. Collision has already started apparently. This is based on Hubble measurements.

https://earthsky.org/astronomy-essentials/earths-night-sky-milky-way-andromeda-merge/

No doubt we have more immediate matters such as Omicron to worry about...but interesting none the less.

Cheers.

Sriram
Title: Re: Collision of Andromeda and Milky Way
Post by: Nearly Sane on December 22, 2021, 08:28:41 AM: Thanks, Sriram, very interesting
Title: Re: Collision of Andromeda and Milky Way
Post by: jeremyp on December 22, 2021, 11:22:53 AM: I thought the first picture was going to be "the Andromeda Galaxy in a billion years or so", but no, it is how it would look today if it were bright enough.
Title: Re: Collision of Andromeda and Milky Way
Post by: Walt Zingmatilder on December 22, 2021, 02:32:57 PM: Quote from: Sriram on December 18, 2021, 02:50:29 PM
Hi everyone,

Here is an interesting article with illustrations about the merger of Andromeda and the Milky Way that will happen about 5 billion years .
Apparently Brexitters are already upset about it.
Title: Re: Collision of Andromeda and Milky Way
Post by: Sriram on December 23, 2021, 05:19:11 AM: Quote from: jeremyp on December 22, 2021, 11:22:53 AM
I thought the first picture was going to be "the Andromeda Galaxy in a billion years or so", but no, it is how it would look today if it were bright enough.

Yes.....It is difficult to believe that we would actually see Andromeda at that scale, if it was brighter!
Title: Re: Collision of Andromeda and Milky Way
Post by: torridon on December 23, 2021, 07:09:53 AM: A shame we'll never see it
Title: Re: Collision of Andromeda and Milky Way
Post by: Udayana on December 23, 2021, 04:43:12 PM: Quote from: torridon on December 23, 2021, 07:09:53 AM
A shame we'll never see it

Why? Do you mean Andromeda at that brightness in our sky or the collision? Or ...?
I expect that there are far more things that we will never see than there are things that we do or will see.
Title: Re: Collision of Andromeda and Milky Way
Post by: jeremyp on December 23, 2021, 05:40:36 PM: Quote from: torridon on December 23, 2021, 07:09:53 AM
A shame we'll never see it
Not sure about that. If you're going to watch a road accident, inside one of the involved cars is not a good place to do it.
Title: Re: Collision of Andromeda and Milky Way
Post by: torridon on December 24, 2021, 08:12:25 AM: Quote from: jeremyp on December 23, 2021, 05:40:36 PM
Not sure about that. If you're going to watch a road accident, inside one of the involved cars is not a good place to do it.

The chances of planetary collisions will be very low. But it will make the skies very interesting
Title: Re: Collision of Andromeda and Milky Way
Post by: Sriram on December 24, 2021, 10:05:46 AM: Quote from: torridon on December 24, 2021, 08:12:25 AM
The chances of planetary collisions will be very low. But it will make the skies very interesting

The sky will really be interesting in 5 billion years, especially because the sun would have become a red giant probably covering the earth's orbit!