This extraordinary image from the NASA/ESA Hubble Space Telescope of the galaxy cluster Abell 2813 (also known as ACO 2813) has an almost delicate beauty, which also illustrates the remarkable physics at work within it. The ...
Astronomy
Apr 18, 2021
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Combining data from NASA's Chandra X-ray Observatory with radio observations and computer simulations, an international team of scientists has discovered a vast wave of hot gas in the nearby Perseus galaxy cluster. Spanning ...
Astronomy
May 2, 2017
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Billions of years ago, in the center of a galaxy cluster far, far away (15 billion light-years, to be exact), a black hole spewed out jets of plasma. As the plasma rushed out of the black hole, it pushed away material, creating ...
Astronomy
Dec 24, 2019
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One of the biggest ideas in physics is the possibility that all known forces, particles, and interactions can be connected in one framework. String theory is arguably the best-known proposal for a "theory of everything" that ...
Astronomy
Mar 19, 2020
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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
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The universe is getting hotter, a new study has found.
Astronomy
Nov 10, 2020
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We've already talked about how you're living at the center of the universe. Now, I'm not going to say that the whole universe revolves around you… but we both know it does. So does this mean that there's something special ...
Astronomy
Apr 4, 2016
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Gazing into the universe is like looking into a funhouse mirror. That's because gravity warps the fabric of space, creating optical illusions.
Astronomy
Oct 7, 2021
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A team of scientists using the James Webb Space Telescope have just released the largest image taken by the telescope so far. The image is a mosaic of 690 individual frames taken with the telescope's Near Infrared Camera ...
Astronomy
Aug 18, 2022
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(Phys.org)—Astronomers were puzzled earlier this year when NASA's Hubble Space Telescope spotted an overabundance of dark matter in the heart of the merging galaxy cluster Abell 520. This observation was surprising because ...
Astronomy
Nov 29, 2012
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