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Posted on 01/14/2026 12:21:03 PM PST by MtnClimber
Explanation: The Whirlpool Galaxy is a classic spiral galaxy. At only 30 million light years distant and fully 60 thousand light years across, M51, also known as NGC 5194, is one of the brightest and most picturesque galaxies on the sky. The featured deep image is a digital combination of images taken in different colors over 58 hours with a telescope from Lijiang, China. Anyone with a good pair of binoculars, however, can see this Whirlpool toward the constellation of the Hunting Dogs (Canes Venatici). M51 is a spiral galaxy of type Sc and is the dominant member of a whole group of galaxies. Astronomers speculate that M51's spiral structure is primarily due to its gravitational interaction with the smaller galaxy just above it.
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Pinging the APOD list
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Can anyone speculate why a dog is included in the source article hot links. Are they really smarter than us?
Is that another galaxy behind it?
That last photo really shows the smaller galaxy interacting with M51. Nice photo.
Yes, it is. Helps to read the whole thing. Duh.
Yes
That’s nothing. You should see the Whirlpool Galaxy I got at Home Depot.
Stainless steel tub, stainless racks. Even has a third rack and a spot free rinse cycle. Quieter than a Norwegian in church and tighter than a Scotsman when the dinner bill comes.
Can your fancy bunch of stars do that?!? Nope, sure can’t.
Dogstar Galaxy.
Yes, I realize that when I read it. Who says there aren’t stupid questions?
There are not stupid questions.
I know right? Looks nothing like the pics here...
It’s not the moving 1.3 million mph through space that gets me.
It’s the constant curving.
Wow.
Awesome.
Well in my case there certainly is. If I wasn’t being lazy I would have read the piece and answered my own question. I hate when I do that. I’m usually pretty careful.
I wonder how many solar systems are contained within that and what life might be there.
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