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Astronomy Picture of the Day - Equinox at the Pyramid of the Feathered Serpent
NASA ^ | 15 Mar, 2026 | Image Credit & Copyright: Robert Fedez

Posted on 03/15/2026 12:10:56 PM PDT by MtnClimber

Explanation: To see the feathered serpent descend the Mayan pyramid requires exquisite timing. You must visit El Castillo -- in Mexico's Yucatán Peninsula -- near an equinox. Then, during the late afternoon if the sky is clear, the pyramid's own shadows create triangles that merge into the famous illusion of a slithering viper. Also known as the Temple of Kukulkan, the impressive step-pyramid stands 30 meters tall and 55 meters wide at the base. Built up as a series of square terraces by the pre-Columbian civilization between the 9th and 12th century, the structure can be used as a calendar and is noted for astronomical alignments. The featured composite image was captured in 2019 with Jupiter and Saturn straddling the diagonal central band of our Milky Way galaxy. In a few days another equinox will occur -- not only at Temple of Kukulcán, but all over planet Earth.


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

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1 posted on 03/15/2026 12:10:56 PM PDT by MtnClimber
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To: MtnClimber

2 posted on 03/15/2026 12:11:22 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

3 posted on 03/15/2026 12:11:50 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; 4everontheRight; A Navy Vet; A_perfect_lady; abb; AFB-XYZ; AFPhys; ...
Pinging the APOD list

🪐 🌟 🌌 🍔

4 posted on 03/15/2026 12:12:27 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

That feathered serpent comes around me, he’s gonna get loaded up with buckshot.

I don’t care how many cheeseburgers he brings with him.


5 posted on 03/15/2026 1:33:44 PM PDT by blueunicorn6 ("A crack shot and a good dancer” )
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To: MtnClimber

Interesting picture.


6 posted on 03/15/2026 1:44:56 PM PDT by telescope115 (Ad Astra, Ad Deum…)
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To: MtnClimber

I hate feathered serpents.
They are worse than serpents that drop out of trees on you.


7 posted on 03/15/2026 1:45:44 PM PDT by DannyTN
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To: telescope115

Great photo but it must have been taken some years ago—Jupiter is currently in the opposite part of the sky to Antares and is not near Saturn. Maybe it was taken 6 years ago (Saturn is now in Pisces so may have been in this position 6 years ago).


8 posted on 03/15/2026 1:53:43 PM PDT by Verginius Rufus
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To: Verginius Rufus

Thanks, I hadn’t picked up on that.


9 posted on 03/15/2026 2:29:23 PM PDT by telescope115 (Ad Astra, Ad Deum…)
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To: MtnClimber

Beautiful shot! I’ve climbed that pyramid at Chichen Itza, in El Castillo. Fun memory.

The creepiest part of the park tour was the ‘bottomless pond’ where they would sacrifice children by draping them in all kinds of jewelry and treasures, then push them in.

*SHUDDER*

The park wasn’t very well maintained - lots of trash around and graffiti on the actual monuments. But, you know, it was Mexico. *SHRUG*


10 posted on 03/15/2026 3:21:25 PM PDT by Diana in Wisconsin (I don't have, 'Hobbies.' I'm developing a robust Post-Apocalyptic skill set.)
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To: Diana in Wisconsin

I climbed the steps to the top of the Pyramid of the Sun at Teotihuacan on the Summer Solstice in 1999, in the middle of a rain shower. Was even more of an experience going down.


11 posted on 03/15/2026 3:34:47 PM PDT by P8riot (You will never know Jesus Christ as a reality in your life until you know Him as a necessity.)
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To: MtnClimber

Wow.


12 posted on 03/15/2026 5:18:46 PM PDT by No name given ( Anonymous is who you’ll know me as )
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To: MtnClimber

Cool picture.


13 posted on 03/15/2026 5:18:55 PM PDT by No name given ( Anonymous is who you’ll know me as )
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