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Andromedia galaxy to collide with Milky Way

Posted on Friday, 1 June, 2012 | Comment icon 26 comments | News tip by: Waspie_Dwarf

Image credit: NASA

NASA astronomers have announced that the nearest galaxy is on a collision course with our own.

It's not something anyone alive today is going to need to be too worried about however, Andromeda is over 2.5 million lights years away and won't reach us for another 4 billion years. When the two galaxies meet it is thought that due to the distance between stars it is unlikely that they will collide directly, instead being thrown in to different orbits.

"After nearly a century of speculation about the future destiny of Andromeda and our Milky Way, we at last have a clear picture of how events will unfold over the coming billions of years," said Sangmo Tony Sohn.

"NASA astronomers announced Thursday they can now predict with certainty the next major cosmic event to affect our galaxy, sun, and solar system: the titanic collision of our Milky Way galaxy with the neighboring Andromeda galaxy."

  View: Full article |  Source: NASA

  Discuss: View comments (26)


Recent comments on this story
Comment icon #17 Posted by Pyridium on 2 June, 2012, 19:53
The real news here is that we have now been able to measure the direction and speed with absolute accuracy. 4 years ago we could see that both galaxies were moving toward each other, but now the proof is in...a direct collision. This is also proof that gravity has been attracting each other for a very long time, to the point where a direct collision is unavoidable. Gotta luv mother nature. Any gravitational pull strong enough to pull our sun will result in the total disruption of our solar system.
Comment icon #18 Posted by sepulchrave on 2 June, 2012, 21:09
No. This will probably not have any noticeable impact on the Earth. No. The Earth's orbit is unlikely to be affected. The new merged galaxy might have two galactic cores for a while, but that is about it. We will not get a new moon. It is incredibly unlikely that we will get another star. No. The net gravitational pull from Andromeda, while vast, will change gradually enough that it will almost certainly not disrupt our Solar system. It will just ``slide'' our Solar system smoothly and slowly to a new location within the merged galaxy.
Comment icon #19 Posted by Mentalcase on 2 June, 2012, 22:42
To add to what Sepulchrave said, the stars of both galaxies are so far apart, it is likely that most solar systems will be unaffected. Would be a nice sight in the sky though. Our sun may be a red giant around this period.
Comment icon #20 Posted by St.Anger on 4 June, 2012, 8:19
People are worrying about this now,but who knows, the human race might become extinct way before. The bigger concern is us not killing ourselves by nuclear missiles.
Comment icon #21 Posted by meankitty on 13 June, 2012, 11:27
Would somebody please fix the title of the article? "Andromedia" offended my eyeballs.
Comment icon #22 Posted by ZaraKitty on 13 June, 2012, 13:08
I was worried we'd all die, but in 4 billion years I can't even imagine where humanity will be.
Comment icon #23 Posted by psyche101 on 14 June, 2012, 6:56
I thought that the likelihood is that our system will end up near the edge of an arm giving us quite a spectacular view of the new Galaxy? Although water will be boiled of the earth around this time wont it? I thought what happens in the merge was still a little up in the air to be honest, but it gives us something other than the Sun burning out to think about I guess! I actually had no idea this was not confirmed earlier. I thought it was some time ago. I have mentioned the event in the ET section of the forum many times, our new Milkomeda Galaxy when people talk about the sun burning u... [More]
Comment icon #24 Posted by Unknownguy on 14 June, 2012, 9:18
Imagine a planet's, stars, ect ect passing our skies, now that'll be a sight
Comment icon #25 Posted by Uncle Sam on 19 June, 2012, 17:33
It makes me sad that Earth won't be around for very long. If we as a species become space born, we could loose our place of birth and feel disconnected if it gets lost in history. All historical landmarks or information about the past would be burned up in the red giant if it engulfs Earth. There is two possibilities, Earth would move out of range of Red Giant but be stripped of atmosphere or be engulfed by the red giant. By the time the merger between two galaxies happen, Earth would either be gone or inhabitable.

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