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Astronomy Picture of the Day - Messier 2
NASA ^ | 23 May, 2026 | Image Credit: ESA/Hubble & NASA, G. Piotto et al.

Posted on 05/23/2026 10:53:59 AM PDT by MtnClimber

Explanation: After the Crab Nebula, this giant star cluster is the second entry in 18th century astronomer Charles Messier's famous list of things that are not comets. M2 is one of the largest globular star clusters now known to roam the halo of our Milky Way galaxy. Though Messier originally described it as a nebula without stars, this stunning Hubble image resolves stars across the cluster's central 40 light-years. Its population of stars numbers close to 150,000, concentrated within a total diameter of around 175 light-years. About 55,000 light-years distant toward the constellation Aquarius, this ancient denizen of the Milky Way, also known as NGC 7089, is 13 billion years old. An extended stellar debris stream, a signature of past gravitational tidal disruption, was recently found to be associated with Messier 2.


TOPICS: Astronomy; Astronomy Picture of the Day; Science
KEYWORDS: apod; nasa
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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 05/23/2026 10:53:59 AM PDT by MtnClimber
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To: MtnClimber

2 posted on 05/23/2026 10:54:54 AM PDT 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

🪐 🌟 🌌 🍔

3 posted on 05/23/2026 10:56:19 AM PDT 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

“It’s full of Stars!”


4 posted on 05/23/2026 10:57:19 AM PDT by BlackbirdSST (FTL)
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To: MtnClimber

As a kid, I was always bothered by the statement: “The universe is continually expanding...” Back then, I would then ask: “Expanding into what?” Now, as a mature adult, I understand I should not ask such questions.


5 posted on 05/23/2026 11:11:38 AM PDT by econjack
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To: MtnClimber

Wow.


6 posted on 05/23/2026 11:44:25 AM PDT by No name given ( Anonymous is who you’ll know me as )
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To: MtnClimber

It reminds me of the other day when I spilled milk on my black kitchen floor


7 posted on 05/23/2026 11:54:20 AM PDT by Deaf and Discerning
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To: MtnClimber
Messier 11


8 posted on 05/23/2026 11:56:42 AM PDT by dfwgator ("I am Charlie Kirk!")
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To: MtnClimber

.


9 posted on 05/23/2026 12:57:22 PM PDT by redinIllinois (Pro-life, accountant, gun-totin' Grandma - multi issue voter in)
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To: econjack

Why?


10 posted on 05/23/2026 1:02:04 PM PDT by Fungi
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To: MtnClimber

Well, we are not alone. I don’t see how it’s possible with so many stars that have so many planets that our Earth is the only one with life. Intelligent life as well as life like nothing on Earth.


11 posted on 05/23/2026 2:13:05 PM PDT by Omnivore-Dan (have to )
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To: dfwgator

I always think of that.


12 posted on 05/23/2026 4:51:22 PM PDT by Scarlett156 (Remember to pray. )
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To: MtnClimber

I wonder what the sky would look like from inside a globular cluster. But I’m glad we don’t live in one. I like our sky…


13 posted on 05/23/2026 6:46:43 PM PDT by telescope115 (Ad Astra, Ad Deum…)
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To: MtnClimber

Here :D


14 posted on 05/23/2026 7:46:10 PM PDT by SkyDancer ( ~ Am Yisrael Chai ~)
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