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Astronomy Picture Of the Day (APOD)
APOD: 2023 January 24 Б LHS 475 b: Earth Sized Exoplanet
24.01.2023
If you could stand on exoplanet LHS 475 b, what might you see? No one knows for sure but pictured here is an interesting guess made by an Earth-based artificial intelligence (AI) engine.
APOD: 2023 January 23 Б The Colliding Spiral Galaxies of Arp 274
23.01.2023
Two galaxies are squaring off in Virgo and here are the latest pictures. When two galaxies collide, the stars that compose them usually do not. This is because galaxies are mostly empty space and, however bright, stars only take up only a small fraction of that space.
APOD: 2023 January 22 Б In Green Company: Aurora over Norway
22.01.2023
Raise your arms if you see an aurora. With those instructions, two nights went by with, well, clouds -- mostly. On the third night of returning to same peaks, though, the sky not only cleared up but lit up with a spectacular auroral display.
Naked Eye Comet ZTF
21.01.2023
Comet C/2022E3 (ZTF) is no longer too dim to require a telescope for viewing. By January 19, it could just be seen with the naked eye in this rural sky with little light pollution from a location about 20 kilometers from Salamanca, Spain.
Galaxy Wars: M81 and M82
20.01.2023
The two dominant galaxies near center are far far away, 12 million light-years distant toward the northern constellation of the Great Bear. On the right, with grand spiral arms and bright yellow core is spiral galaxy M81. Also known as Bode's galaxy, M81 spans some 100,000 light-years.
The Seagull Nebula
19.01.2023
A broad expanse of glowing gas and dust presents a bird-like visage to astronomers from planet Earth, suggesting its popular moniker - The Seagull Nebula. Using narrowband image data, this 3-panel mosaic of the cosmic...
APOD: 2023 January 18 Б MACS0647: Gravitational Lensing of the Early Universe by Webb
18.01.2023
Gravitational lensing by the galaxy cluster MACS0647 -- in which the massive foreground cluster distorts and lenses the light emitted by distant background galaxies along the line of sight Б is on vivid display here in this recent multi-color infrared image from the James Webb Space Telescope (JWST).
APOD: 2023 January 17 Б Unexpected Clouds Toward the Andromeda Galaxy
17.01.2023
Why are there oxygen-emitting arcs near the direction of the Andromeda galaxy? No one is sure. The gas arcs, shown in blue, were discovered and first confirmed by amateur astronomers just last year.
APOD: 2023 January 16 Б Moon Enhanced
16.01.2023
Our Moon doesn't really look like this. Earth's Moon, Luna, doesn't naturally show this rich texture, and its colors are more subtle. But this digital creation is based on reality. The featured image is a composite of multiple images and enhanced to bring up real surface features.
APOD: 2023 January 15 Б M1: The Crab Nebula from Hubble
15.01.2023
This is the mess that is left when a star explodes. The Crab Nebula, the result of a supernova seen in 1054 AD, is filled with mysterious filaments. The filaments are not only tremendously...
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