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Astronomy Picture of the Day - Cygnus and the Solitary Tree
NASA ^ | 18 Mar, 2026 | Image Credit & Copyright: 2025 Horacio Lander / AstroHoracio Text: Keighley Rockcliffe (NASA GSFC, U

Posted on 03/18/2026 11:23:42 AM PDT by MtnClimber

Explanation: A lone tree stands in a quiet meadow in Guadalajara, Spain, silhouetted against the Cygnus region rising above like flames in the night sky. This deep night skyscape is a composite of exposures that reveals a range of brightness and color human eyes can't quite see on their own. Spanning over a thousand times the angular size of the full moon, Cygnus sets the sky afire with active star formation where clouds of gas and dust collapse under gravity until nuclear fusion ignites and new stars are born. These stars ionize the surrounding hydrogen gas, causing it to glow crimson, while tendrils of interstellar dust absorb some of that light and cast dark shadows across the sky. Cygnus is a trove of celestial treasures, notably the Veil, Crescent, and Pelican nebulae, as well as Cygnus X-1, the first confirmed black hole. Cygnus continues to yield fresh science, including a new three-dimensional model of the Cygnus Loop made possible by the Chandra X-ray Observatory.


TOPICS: Astronomy; Astronomy Picture of the Day; Science
KEYWORDS: apod; nasa

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1 posted on 03/18/2026 11:23:42 AM PDT by MtnClimber
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To: MtnClimber

2 posted on 03/18/2026 11:24:01 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 03/18/2026 11:24:42 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

That would make a great book cover ...


4 posted on 03/18/2026 11:44:06 AM PDT by Fish Speaker (Quis custodiet ipsos custodes?)
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To: MtnClimber

“In the constellation of Cygnus
There lurks a mysterious, invisible force
The black hole of Cygnus X-1
Six stars of the Northern Cross
In mourning for their sister’s loss
In a final flash of glory
Nevermore to grace the night”

- Neil Peart, “Cygnus X-1”


5 posted on 03/18/2026 12:00:47 PM PDT by MikelTackNailer (Classical was hard rock before electicity.)
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To: MtnClimber

Wow.


6 posted on 03/18/2026 1:03:45 PM PDT by No name given ( Anonymous is who you’ll know me as )
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To: MikelTackNailer

The first thing I thought of also.


7 posted on 03/18/2026 1:25:26 PM PDT by jurroppi1 (The Left doesn't have ideas, it has cliches. H/T Flick Lives)
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To: MikelTackNailer

Your black hole sings its mournful cosmic tune,
A stellar elegy beneath the moon.
Six stars stand vigil in their silent cross—
I’m counting them again to verify the loss.

Cygnus burns bright with mythic, solemn grace,
A winged cathedral carved across the space.
I’d match the grandeur, lofty, bold, and true—
But astrophysics keeps out‑poeting me too.

Dim‑Stars & Disbelief Office (D&D)


8 posted on 03/18/2026 1:45:06 PM PDT by Deaf and Discerning
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To: MtnClimber

9 posted on 03/18/2026 2:07:03 PM PDT by GreenLanternCorps (Hi! I'm the Dread Pirate Roberts! (TM) Ask about franchise opportunities in your area.)
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