Early Universe was very different to the current one: Galaxies had active nucleus with bright jets & X-rays & gamma emissions: the quasars.
They are still visible when we image the farthest objects!

Illustration: NASA, ESA & J.Olmsted
Image: 3C279 Xavier Bros

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The Galactic Center in Infrared Light (Spitzer)
IMAGE: NASA, Caltech, Susan Stolovy (SSC, Caltech)
https://t.co/9uFuYXfsZ3

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今年最後のツイートです。編集部が独断で選んだジェイムズ・ウェッブ宇宙望遠鏡の10点の画像。

1枚目:銀河団SMACS 0723 Credit: NASA, ESA, CSA, STScI
2枚目:車輪銀河 Credit: NASA, ESA, CSA, STScI
3枚目:木星 Credit: NASA, ESA, Jupiter ERS Team; image processing by Judy Schmidt

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Orion Nebula: The Hubble View
Image Credit: NASA, ESA, Hubble Legacy Archive; Processing: Francisco Javier Pobes Serrano
Also known as M42, the nebula's glowing gas surrounds hot young stars at the edge of an immense interstellar

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The Magnetic Fields of Spiral Galaxy M77
Image Credit: NASA, SOFIA, HAWC+; JPL-Caltech, Roma Tre. U.; ESA, Hubble, NuSTAR, SDSS
Can magnetic fields help tell us how spiral galaxies form and evolve? To find out, the HAWC+ instrument on NASA's airborne (747) SOFIA observatory

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Following conservative estimates there must be at least 2 TRILLION! galaxies in the observable universe. Imagine the wild zoo of exoplanets that could exist in all these galaxies.

Do you think there is life out there?

(Credit: NASA, ESA, Hubble)

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A Molten Galaxy Einstein Ring
Image Credit: ESA/Hubble & NASA, S. Jha; Processing: Jonathan Lodg It is difficult to hide a galaxy behind a cluster of galaxies. The closer cluster's gravity will act like a huge lens, pulling images of the distant galaxy around the sides

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Supernova in NGC 2525
Image Credit: NASA, ESA, A. Riess (STScI/JHU) and the SH0ES team
Acknowledgment: M. Zamani (ESA/Hubble)
Big, beautiful, barred spiral galaxy NGC 2525 lies 70 million light-years from the Milky Way. About 60,000 light-years across,

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A Perfect Spiral
Image Credit: NASA, ESA, Hubble, HLA; Processing: Mehmet Hakan Ozsarac
If not perfect then this spiral galaxy is at least one of the most photogenic. An island universe of about 100 billion stars, 32 million light-years away toward the constellation Pisces, M74

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NGC 6744: Extragalactic Close-Up
Image Credit: NASA, ESA, and the LEGUS team
https://t.co/pGpFZAQD2C

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The Horsehead Nebula in Infrared from Hubble
Image Credit: NASA, ESA, Hubble; Processing: Alexandra Nachman
https://t.co/MVUogFTygm

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Queasy

Bowl, 8”, will be fired and listed next month!

JWST image credits: NASA, ESA, CSA, and STScI. Processing: J. DePasquale, A. Pagan, and A. Koekemoer (STScI)

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Jupiter and Ring in Infrared from Webb
Image Credit: NASA, ESA, CSA, STScI; Processing & License: Judy Schmidt
https://t.co/f7JkbOxDK7

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Quick animation of Blackhole, with real life black hole 'SFX' from NASA, to show how I imagine he moves and a sense of his scale.

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The last of the new character portraits for Rise of the Forsaken stream. Lúnasa, played by Melissa 🐓 ♥️

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M82: Galaxy with a Supergalactic Wind
Image Credit: NASA, ESA, The Hubble Heritage Team, (STScI/AURA)
Acknowledgement: M. Mountain (STScI), P. Puxley (NSF), J. Gallagher (U. Wisconsin)
https://t.co/ncIoZ2TrYi

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Awakening Newborn Stars
this Herbig–Haro object is a turbulent birthing ground for new stars in a region known as the Orion B molecular cloud complex, located 1,350 light-years away. Credit: NASA, ESA, the Hubble (ESA) Collaboration, Padgett (GSFC), T. Megeath and B. Reipurth

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Zeta Oph: Runaway Star
Image Credit: NASA, JPL-Caltech, Spitzer Space Telescope
https://t.co/gzqmzMQo7T

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Hubble 25th Anniversary: Pillars of Creation
Image Credit: NASA, ESA, and The Hubble Heritage Team (STScI / AURA)
https://t.co/D26YCwTqNj

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