Commonly thought to be long-lived satellites of our galaxy, a new study now finds indications that most dwarf galaxies might, in fact, be destroyed soon after their entry into the Galactic halo.
Astronomy
Nov 21, 2023
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392
If you look at massive galaxies teeming with stars, you might be forgiven for thinking they are star factories, churning out brilliant balls of gas. But actually, less evolved dwarf galaxies have bigger regions of star factories, ...
Astronomy
Nov 21, 2023
0
97
The latest image from the James Webb Space Telescope shows a portion of the dense center of our galaxy in unprecedented detail, including never-before-seen features astronomers have yet to explain. The star-forming region, ...
Astronomy
Nov 20, 2023
3
101
Similar to human teenagers, teenage galaxies are awkward, experience growth spurts and enjoy heavy metal—nickel, that is.
Astronomy
Nov 20, 2023
2
69
In 2023, amateur astronomer Dana Patchick was looking through images from the Wide-field Infrared Survey Explorer archive and discovered a diffuse, circular object in the constellation of Cassiopeia.
Astronomy
Nov 16, 2023
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74
By analyzing the data from the TÜBİTAK National Observatory and ESA's Gaia satellite, astronomers have investigated King 6 and NGC 1605—two young Galactic open clusters. Results of the study, published October 31 on the ...
A trio of chemists at the University of Arizona, with an affiliation to the University of Arizona's Department of Astronomy and Steward Observatory has discovered phosphorus in the outskirts of the Milky Way galaxy for the ...
One of the great unsolved mysteries of cosmology is known as the Hubble tension. It stems from our inability to pin down the precise rate of cosmic expansion. There are several ways to calculate this expansion, from observing ...
Astronomy
Nov 13, 2023
3
47
The ESA's Gaia Observatory continues its astrometry mission, which consists of measuring the positions, distances, and motions of stars (and the positions of orbiting exoplanets) with unprecedented precision. Launched in ...
Astronomy
Nov 13, 2023
0
35
Scientists have discovered the oldest black hole yet, a cosmic beast formed a mere 470 million years after the Big Bang.
Astronomy
Nov 11, 2023
3
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