Space and Astronomy Megathread (MERGED) - Part 1

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W5: Pillars of Star Formation
Image Credit: NASA, WISE, IRSA; Processing & Copyright : Francesco Antonucci

 

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The Pleiades in Red and Blue
Image Credit & Copyright: Ogetay Kayali (Michigan Tech U.) Text: Ogetay Kayali (Michigan Tech U.)

 

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Did you feel it? Earth just had one of its shortest days ever and 2 more are coming

As Earth spins faster than it has in decades, atomic clocks are catching the difference, and shorter days are on the horizon.

www.space.com

 

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Lynds Dark Nebula 1251
Image Credit & Copyright: Cristiano Gualco

 

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NGC 4651: The Umbrella Galaxy
Image Credit: Rabeea Alkuwari & Anas Almajed

 

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Exotic Fast Radio Burst Goes Up in Smoke

Finding out where on the sky these mysterious radio flashes come from is hard. The team behind the discovery of one odd signal has now retracted their claim.

skyandtelescope.org

 

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Confirmed - something strange has struck Saturn, and astronomers are baffled by what may be the most striking impact in years

The rings of Saturn glide so tranquilly when watched through a telescope, that it is easy to forget the planet sits in a celestial shooting gallery. At 09:07

eladelantado.com

 

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The Milky Way’s ghost galaxies: Are we surrounded by invisible neighbors?

The Milky Way’s ghost galaxies: Are we surrounded by invisible neighbors?

knowridge.com

 

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The Eyes in Markarian's Galaxy Chain
Image Credit & Copyright: Mike Selby

 

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Planetary Nebula Mz3: The Ant Nebula
Image Credit: NASA, ESA, R. Sahai (JPL) et al., Hubble Heritage Team

 

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LEGO Figures Flying On NASA Jupiter Probe

 

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Clouds and the Golden Moon
Image Credit & Copyright: Alexsandro Mota

 

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Meteors and Satellite Trails over the Limay River
Image Credit & Copyright: Martín Moliné

 

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Merger of two massive black holes is one for the record books

 

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TON 618: Meet the Largest Monster in the Universe

TON 618 is the largest black hole ever discovered — with a mass estimated at 66 billion times that of the Sun.

Its event horizon (the boundary beyond which nothing can escape) is so massive, it’s 30–40 times wider than our entire Solar System,
including even the distant Oort Cloud.
But here’s the most mind-blowing part:
The light we see from TON 618 has been traveling for 18.2 billion years — meaning this cosmic giant existed long before Earth, the Sun, or even the Milky Way.

This isn’t just a black hole.

It’s a monument to how vast, ancient, and mysterious our universe truly is.