Astronomers have analyzed new and archival multiwavelength observations of the active galaxy NGC 5273. As a result, they detected so-called "changing-look" events in the active galactic nucleus of this galaxy. The finding ...
In 1610, Galileo Galilei peered through a telescope and observed, "I have seen Jupiter accompanied by three fixed stars, totally invisible by their smallness. The planets are seen very rotund, like little full moons." In ...
Astrobiology
Aug 4, 2022
0
31
This image from the NASA/ESA Hubble Space Telescope captures the sparkling globular cluster NGC 6569 in the constellation Sagittarius. Hubble explored the heart of this cluster with both its Wide Field Camera 3 and Advanced ...
Astronomy
Jul 5, 2022
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53
Ohio State University astronomers have identified about 116,000 new variable stars, according to a new paper.
Astronomy
Jun 1, 2022
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398
Spanning from 2003 to 2021, this collection of images from the NASA/ESA Hubble Space Telescope features galaxies that are all hosts to both Cepheid variables and supernovae. These two celestial phenomena are both crucial ...
Astronomy
May 20, 2022
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150
Using ESA's Gaia space observatory, astronomers have explored the Fornax dwarf spheroidal galaxy. They discovered that this galaxy has an extended stellar halo, spanning more than 17,000 light years. The finding was detailed ...
It is almost always assumed in cosmological calculations that there is a even distribution of matter in the universe. This is because the calculations would be much too complicated if the position of every single star were ...
General Physics
Dec 6, 2021
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1193
Astronomers have designed and trained a computer program that can classify tens of thousands of galaxies in just a few seconds, a task that usually takes months to accomplish.
Astronomy
Jul 8, 2021
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586
Japanese astronomers have developed a new artificial intelligence (AI) technique to remove noise in astronomical data due to random variations in galaxy shapes. After extensive training and testing on large mock data created ...
Astronomy
Jul 2, 2021
7
2821
A string of lights that lobbed across the night sky in parts of the U.S. on Wednesday, Thursday and Friday had some people wondering if a fleet of UFOs was coming, but it had others— mostly amateur stargazers and professional ...
Space Exploration
May 9, 2021
12
1298
