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Trending Posts
@iotman
0
3 days ago
science
π SpacePicture of a Day: Comet C/2025 F2 SWAN πͺ
In late March, the comet now designated C/2025 F2 SWAN was found independently by citizen scientists Vladimir Bezugly, Michael Mattiazzo, and Rob Matson while examining publicly availabl
@iotman
0
6 days ago
science
π SpacePicture of a Day: Planetary Nebula NGC 1514 from Webb πͺ
What happens when a star runs out of nuclear fuel? For stars like our Sun, the center condenses into a white dwarf while the outer atmosphere is expelled into space to appear as a pla
@iotman
0
4 days ago
science
π SpacePicture of a Day: Virgo Cluster Galaxies πͺ
Galaxies of the Virgo Cluster are scattered across this nearly 4 degree wide telescopic field of view. About 50 million light-years distant, the Virgo Cluster is the closest large galaxy cluster t
@iotman
0
about 18 hours ago
science
π SpacePicture of a Day: The Orion Nebula in Visible and Infrared πͺ
The Great Nebula in Orion is a colorful place. Visible to the unaided eye, it appears as a small fuzzy patch in the constellation of Orion. Long exposure, multi-wavelength imag
@iotman
0
9 days ago
science
π SpacePicture of a Day: Moon Near the Edge πͺ
Most of us watch the Moon at night. But the Moon spends nearly as many daylight hours above our horizon, though in bright daytime skies the lunar disk looks pale and can be a little harder
@iotman
0
5 days ago
science
π SpacePicture of a Day: Halo of the Cat's Eye πͺ
What created the unusual halo around the Cat's Eye Nebula? No one is sure. What is sure is that the Cat's Eye Nebula (NGC 6543) is one of the best known planetary nebulae on the sky. Although haunt
@iotman
0
25 days ago
science
π SpacePicture of a Day: Messier 81 πͺ
One of the brightest galaxies in planet Earth's sky is similar in size to our Milky Way Galaxy: big, beautiful Messier 81. Also known as NGC 3031 or Bode's galaxy for its 18th century discoverer, this
@iotman
0
26 days ago
science
π SpacePicture of a Day: Star Formation in the Pacman Nebula πͺ
You'd think the Pacman Nebula would be eating stars, but actually it is forming them. Within the nebula, a cluster's young, massive stars are powering the pervasive nebular glow. The eye-
@iotman
0
7 days ago
science
π SpacePicture of a Day: The Galactic Center in Radio from MeerKAT πͺ
What's happening at the center of our galaxy? It's hard to tell with optical telescopes since visible light is blocked by intervening interstellar dust. In other bands of light,
@iotman
0
30 days ago
science
π SpacePicture of a Day: SuperCam Target on Ma'az πͺ
What's the sound of one laser zapping? There's no need to consult a Zen master to find out, just listen to the first acoustic recording of laser shots on Mars. On Mars Roverβ¦
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