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Astronomy Picture of the Day - The First Green Star, WD J1330+6435
NASA ^ | 22 Oct. 2026 | Credit & Copyright Mark A. Garlick/University of Warwick

Posted on 10/22/2026 1:03:54 PM PDT by MtnClimber

Explanation: Star light, star bright: is there a green star out tonight? Other than the Sun, all stars are so far from Earth that they appear as points in the sky. They are mostly white, but sometimes noticeably red or blue. This color typically relates to the temperature: blue stars are hotter than red stars. What about other colors? The featured image is an illustration showing WD J1330+6435, a white dwarf star, surrounded by an accretion disk with gas and rocks orbiting the star. White dwarfs are small, faint stars that are left over when a star like the Sun exhausts its nuclear fuel. Astronomers recently found that some white dwarf stars, despite their name, would appear yellow, green, cyan, pink, or purple. In these cases, trace elements that were accreted to these stars interact with the stellar atmosphere and shift its normally white color. But, alas! I wish I may, I wish I might, but they are too faint to see tonight...


TOPICS: Astronomy; Astronomy Picture of the Day; Science
KEYWORDS: apod; astronomy; nasa; science; wdj1330plus6435

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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 10/22/2026 1:03:55 PM PDT by MtnClimber
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To: MtnClimber

2 posted on 10/22/2026 1:04:23 PM 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; 31R1O; 4everontheRight; A Navy Vet; A_perfect_lady; abb; AFB-XYZ; ...
Pinging the APOD list

🪐 🌟 🌌 🍔

3 posted on 10/22/2026 1:05:37 PM 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

What’s all that stuff around it? Another Earth forming?


4 posted on 10/22/2026 1:08:04 PM PDT by SkyDancer ( ~ Am Yisrael Chai ~)
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To: MtnClimber

They used a Scope.


5 posted on 10/22/2026 1:16:15 PM PDT by SunkenCiv (TDS -- it's not just for DNC shills and jihadists anymore -- oh, wait, yeah it is.)
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To: SunkenCiv

Makes sense, Scope is green...


6 posted on 10/22/2026 1:26:03 PM PDT by null and void (Do we vote for the people who want to hurt us, or vote for the people who don’t want to stop them?)
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To: SkyDancer

Kryptonite.


7 posted on 10/22/2026 1:29:43 PM PDT by Empire_of_Liberty
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To: Empire_of_Liberty

Ah, no wonder Superman wasn’t around.


8 posted on 10/22/2026 1:35:03 PM PDT by SkyDancer ( ~ Am Yisrael Chai ~)
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To: MtnClimber

Pretty


9 posted on 10/22/2026 1:35:27 PM PDT by telescope115 (Ad Astra, Ad Deum…)
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To: MtnClimber

Whoa.


10 posted on 10/22/2026 1:54:19 PM PDT by No name given ( Anonymous is who you’ll know me as )
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To: MtnClimber
A green star almost killed my girlfriend.

Couldn't find a picture of her under a green star, so that's her covered in kryptonite foam.

11 posted on 10/22/2026 2:17:51 PM PDT by DannyTN
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To: MtnClimber
Ironically, a green star almost killed my other girlfriend.


12 posted on 10/22/2026 2:26:55 PM PDT by DannyTN
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To: MtnClimber

Sesame Seeds falling down onto a delicious cheeseburger bun.


13 posted on 10/22/2026 2:46:05 PM PDT by blueunicorn6 ("A crack shot and a good dancer” )
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To: null and void

Yeah, I forgot the rimshot graphic.


14 posted on 10/22/2026 2:47:38 PM PDT by SunkenCiv (TDS -- it's not just for DNC shills and jihadists anymore -- oh, wait, yeah it is.)
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To: MtnClimber

Cool. Needs the green woman from the original Star Trek. She could dance rings around today’s twerkers.

https://www.startrek.com/news/trouble-keeping-her-green


15 posted on 10/22/2026 3:10:13 PM PDT by AFB-XYZ
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