Stars are formed by molecular gas and dust coalescing in space. These molecular gases are so dilute and cold that they are invisible to the human eye, but they do emit faint radio waves that can be observed by radio telescopes.
Astronomy
Mar 1, 2023
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On the largest scales, the universe is ordered into a web-like pattern: galaxies are pulled together into clusters, which are connected by filaments and separated by voids. These clusters and filaments contain dark matter, ...
Astronomy
Feb 20, 2023
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Astronomers have captured a spectacular, ongoing collision between at least three galaxy clusters. Data from NASA's Chandra X-ray Observatory, ESA's (European Space Agency's) XMM-Newton, and a trio of radio telescopes is ...
Astronomy
Jan 30, 2023
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A new study led by a joint team at Nagoya University and the National Astronomical Observatory of Japan has measured the cosmic age of a very distant galaxy. The team used the ALMA radio telescope array to detect a radio ...
Astronomy
Jan 25, 2023
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An array of 350 radio telescopes in the Karoo desert of South Africa is getting closer to detecting "cosmic dawn"—the era after the Big Bang when stars first ignited and galaxies began to bloom.
Astronomy
Jan 24, 2023
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Astronomers from McGill University in Canada and the Indian Institute of Science (IISc) in Bengaluru have used data from the Giant Meterwave Radio Telescope (GMRT) in Pune to detect a radio signal originating from atomic ...
Astronomy
Jan 16, 2023
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Astronomers have used an intense burst of radio waves originating from a nearby galaxy to inspect the halo of gas cocooning our own Milky Way galaxy. The scientists studied the way that the light of the so-called fast radio ...
Astronomy
Jan 10, 2023
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Leveraging the NASA Center for Climate Simulation (NCCS), NASA Goddard Space Flight Center scientists ran 100 simulations exploring jets—narrow beams of energetic particles—that emerge at nearly light speed from supermassive ...
Astronomy
Nov 29, 2022
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Researchers have been able to make some key determinations about the first galaxies to exist, in one of the first astrophysical studies of the period in the early universe when the first stars and galaxies formed, known as ...
Astronomy
Nov 28, 2022
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441
Northwestern University astrophysicist Farhad Zadeh has been fascinated and puzzled by a family of large-scale, highly organized magnetic filaments dangling in the center of the Milky Way ever since he first discovered them ...
Astronomy
Nov 18, 2022
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