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Astronomy Picture Of the Day (APOD)
APOD: 2025 December 9 Б The Heart of the Soul Nebula
8.12.2025
This cosmic close-up looks deep inside the Soul Nebula. The dark and brooding dust clouds outlined by bright ridges of glowing gas are cataloged as IC 1871. About 25 light-years across, the telescopic field of view spans only a small part of the much larger Heart and Soul nebulae.
APOD: 2025 December 8 Б Flying Over the Earth at Night
7.12.2025
Many wonders are visible when flying over the Earth at night. Such visual spectacles occur every day for astronauts in low Earth orbit, but the featured video captured several from the International Space Station (ISS) in 2011 and set them to rousing music.
APOD: 2025 December 7 Б The Sun and Its Missing Colors
6.12.2025
It is still not known why the Sun's light is missing some colors. Here are all the visible colors of the Sun, produced by passing the Sun's light through a prism-like device.
Apollo 17 at Shorty Crater
5.12.2025
Fifty three years ago, in December of 1972, Apollo 17 astronauts Eugene Cernan and Harrison Schmitt spent about 75 hours on the Moon exploring the Taurus-Littrow valley, while colleague Ronald Evans orbited overhead. This snapshot from another world was taken by Cernan as he and Schmitt roamed the lunar valley's floor.
The Bipolar Jets of KX Andromedae
4.12.2025
Blasting outward from variable star KX Andromedae, these stunning bipolar jets are 19 light-years long. Recently discovered, they are revealed in unprecedented detail in this deep telescopic image centered on KX And and composed from over 692 hours of combined image data.
Galaxies in the Furnace
3.12.2025
An example of violence on a cosmic scale, enormous elliptical galaxy NGC 1316 lies about 75 million light-years away toward Fornax, the southern constellation of the Furnace. Investigating the startling sight, astronomers suspect...
APOD: 2025 December 3 Б Visualization: Near a Black Hole and Disk
2.12.2025
What would it look like to plunge into a monster black hole? This image from a supercomputer visualization shows the entire sky as seen from a simulated camera plunging toward a 4-million-solar-mass black hole, similar to the one at the center of our galaxy.
APOD: 2025 December 2 Б M77: Spiral Galaxy with an Active Center
1.12.2025
What's happening in the center of nearby spiral galaxy M77? The face-on galaxy lies a mere 47 million light-years away toward the constellation of the Sea Monster (Cetus). At that estimated distance, this gorgeous island universe is about 100 thousand light-years across.
APOD: 2025 December 1 Б 3I ATLAS: Tails of an Interstellar Comet
30.11.2025
How typical is our Solar System? Studying 3I/ATLAS, a comet just passing through, is providing clues. Confirmed previous interstellar visitors include an asteroid, a comet, a meteor, and a gas wind dominated by hydrogen and helium.
APOD: 2025 November 30 Б The Surface of Titan from Huygens
29.11.2025
If you could stand on Titan -- what would you see? The featured color viewa from Titan gazes across an unfamiliar and distant landscape on Saturn's largest moon. The scene was recorded by ESA's Huygens probe in 2005 after a 2.5-hour descent through a thick atmosphere of nitrogen laced with methane.
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