An international research team led by the University of Minnesota Twin Cities has measured the size of a star dating back 2 billion years after the Big Bang, or more than 11 billion years ago. Detailed images show the exploding ...
Astronomy
Nov 9, 2022
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781
All stars are composed of mostly hydrogen and helium, but most stars also have measurable amounts of heavier elements, which astronomers lump into the category of "metals." Our sun has more metals than most stars because ...
Astronomy
Nov 8, 2022
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100
A team of Canadian astronomers, including experts from the Dunlap Institute for Astronomy & Astrophysics in the University of Toronto's Faculty of Arts & Science, have used the James Webb Telescope (JWST) to identify the ...
Astronomy
Nov 2, 2022
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195
One of the central predictions of general relativity is that a massive object such as a star, galaxy, or black hole can deflect light passing nearby. This means that light from distant objects can be gravitationally lensed ...
Astronomy
Oct 10, 2022
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171
Using the James Webb Space Telescope (JWST), researchers from the CAnadian NIRISS Unbiased Cluster Survey (CANUCS) team have identified the most distant globular clusters ever discovered. These dense groups of millions of ...
Astronomy
Sep 29, 2022
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298
Earlier this year a machine learning algorithm identified up to 5,000 potential gravitational lenses that could transform our ability to chart the evolution of galaxies since the Big Bang.
Astronomy
Sep 26, 2022
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101
US President Joe Biden will Monday release one of the first images taken by the James Webb Space Telescope, the most powerful observatory ever sent into orbit and a leap forward in uncovering the secrets of the distant universe.
Space Exploration
Jul 11, 2022
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42
NASA said Friday the first cosmic images from the James Webb Space Telescope will include unprecedented views of distant galaxies, bright nebulae, and a faraway giant gas planet.
Astronomy
Jul 8, 2022
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2633
The NASA/ESA Hubble Space Telescope captured this massive galaxy cluster, called Abell 1351, with its Wide Field Camera 3 and Advanced Camera for Surveys. Abell 1351 lies in the constellation Ursa Major in the northern hemisphere.
Astronomy
Jun 25, 2022
1
224
Scientists using the Atacama Large Millimeter/submillimeter Array (ALMA)— an international observatory co-operated by the U.S. National Science Foundation's National Radio Astronomy Observatory (NRAO)—have observed a ...
Astronomy
Jun 14, 2022
4
243
