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Astronomy Picture of the Day - Peculiar Galaxies of Arp 273
NASA ^ | 9 Jan, 2025 | Image Credit & Copyright: Dave Doctor

Posted on 01/09/2025 11:45:54 AM PST by MtnClimber

Explanation: The colorful, spiky stars are in the foreground of this image taken with a small telescope on planet Earth. They lie well within our own Milky Way Galaxy. But the two eye-catching galaxies in the frame lie far beyond the Milky Way, at a distance of over 300 million light-years. The galaxies' twisted and distorted appearance is due to mutual gravitational tides as the pair engage in close encounters. Cataloged as Arp 273 (also as UGC 1810), these galaxies do look peculiar, but interacting galaxies are now understood to be common in the universe. Closer to home, the large spiral Andromeda Galaxy is known to be some 2 million light-years away and inexorably approaching the Milky Way. In fact the far away peculiar galaxies of Arp 273 may offer an analog of the far future encounter of Andromeda and Milky Way. Repeated galaxy encounters on a cosmic timescale ultimately result in a merger into a single galaxy of stars. From our perspective, the bright cores of the Arp 273 galaxies are separated by only a little over 100,000 light-years.


TOPICS: Astronomy; Astronomy Picture of the Day; Science
KEYWORDS: apod; nasa
To be added or removed from the Astronomy Picture of the Day ping list please send me a request via "Private Reply" (Mail).

For more detail go to the link and click on the image for a high definition image. You can then move the magnifying glass cursor then click to zoom in and click again to zoom out. When zoomed in you can scan by moving the side bars on the bottom and right side of the image.

1 posted on 01/09/2025 11:45:54 AM PST by MtnClimber
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To: MtnClimber

2 posted on 01/09/2025 11:46:15 AM PST by MtnClimber (For photos of scenery, wildlife and climbing, click on my screen name for my FR home page.)
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To: 21stCenturion; 21twelve; 4everontheRight; A Navy Vet; A_perfect_lady; abb; AFB-XYZ; AFPhys; ...
Pinging the APOD list

πŸͺ 🌟 🌌 πŸ”

3 posted on 01/09/2025 11:46:53 AM PST by MtnClimber (For photos of scenery, wildlife and climbing, click on my screen name for my FR home page.)
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To: MtnClimber

4 posted on 01/09/2025 11:53:02 AM PST by Red Badger (Homeless veterans camp in the streets while illegals are put up in 5 Star hotels....................)
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To: MtnClimber

I suspect they would think our galaxy would look peculiar.


5 posted on 01/09/2025 12:07:00 PM PST by BenLurkin (The above is not a statement of fact. It is either opinion, or satire, or both.)
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To: BenLurkin
I suspect they would think our galaxy would look peculiar.

Not as peculiar as the residents!

6 posted on 01/09/2025 12:22:04 PM PST by null and void (Regarding the second Trump presidency, everyone who isn’t terrified is thankful!)
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To: MtnClimber

very cool...


7 posted on 01/09/2025 12:22:31 PM PST by Chode (there is no fall back position, there's no rally point, there is no LZ... we're on our own. #FJB)
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To: MtnClimber

Wow.


8 posted on 01/09/2025 1:10:22 PM PST by No name given ( Anonymous is who you’ll know me as)
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To: MtnClimber

Celestial artistry.πŸ™‚πŸ”­


9 posted on 01/09/2025 3:43:00 PM PST by telescope115 (I NEED MY SPACE!!! πŸ”­)
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