Surprising details leap out in sharp new James Webb Space Telescope images of Jupiter
The latest images of Jupiter from the James Webb Space Telescope (JWST) are stunners.
Astronomy
Aug 22, 2022
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863
News tagged with globular clusters
The puzzle of the strange galaxy made of 99.9% dark matter is solved
At present, the formation of galaxies is difficult to understand without the presence of a ubiquitous, but mysterious component, termed dark matter. Astronomers have measure how much dark matter there is around galaxies, ...
Astronomy
Oct 13, 2020
75
12620
New research reveals hundreds of undiscovered black holes
New research by the University of Surrey published today in the journal Monthly Notices of the Royal Astronomical Society has shone light on a globular cluster of stars that could host several hundred black holes, a phenomenon ...
Astronomy
Sep 7, 2016
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4334
Why does the Milky Way rotate?
We live in a galaxy that is called the Milky Way. It's called a barred spiral galaxy, which means that it has a spiral shape with a bar of stars across its middle. The galaxy is rather huge—at least 100,000 light-years ...
Astronomy
Feb 11, 2015
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96
How old is the universe exactly? A new theory suggests that it's been around for twice as long as believed
Early universe observations by the James Webb Space Telescope (JWST) cannot be explained by current cosmological models. These models estimate the universe to be 13.8 billion years in age, based on the big-bang expanding ...
Astronomy
Aug 29, 2023
163
420
Hubble discovers hydrogen-burning white dwarfs enjoying slow aging
The prevalent view of white dwarfs as inert, slowly cooling stars has been challenged by observations from the NASA/ESA Hubble Space Telescope. An international group of astronomers have discovered the first evidence that ...
Astronomy
Sep 6, 2021
82
498
Stellar parenting: Making new stars by 'adopting' stray cosmic gases
Among the most striking objects in the universe are glittering, dense swarms of stars known as globular clusters. Astronomers had long thought globular clusters formed their millions of stars in bulk at around the same time, ...
Astronomy
Jan 27, 2016
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1596
New Hubble data explains missing dark matter
New data from the NASA/ESA Hubble Space Telescope provides further evidence for tidal disruption in the galaxy NGC 1052-DF4. This result explains a previous finding that this galaxy is missing most of its dark matter. By ...
Astronomy
Nov 26, 2020
22
7462
Family tree of the Milky Way deciphered
Scientists have known for some time that galaxies can grow by the merging of smaller galaxies, but the ancestry of our own Milky Way galaxy has been a long-standing mystery. Now, an international team of astrophysicists has ...
Astronomy
Nov 13, 2020
6
2552
Image: Hubble captures a sparkling cluster
This star-studded image from the NASA/ESA Hubble Space Telescope depicts NGC 6717, which lies more than 20,000 light-years from Earth in the constellation Sagittarius. NGC 6717 is a globular cluster, a roughly spherical collection ...
Astronomy
Sep 11, 2021
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