Most of the matter in the universe is missing. Scientists believe around 85% of the matter in the cosmos is made of invisible dark matter, which has only been detected indirectly by its gravitational effects on its surroundings.
Astronomy
11 hours ago
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Using the Gran Telescopio Canarias (GTC), astronomers from the Chinese Academy of Sciences (CAS) and elsewhere have discovered a new extremely r-process-enhanced star in the Milky Way's thin disk. The finding was reported ...
Zdenek Sekanina, an astronomer with La Canada Flintridge in the U.S., reports what he describes as evidence of a possible breakup of comet Tsuchinshan prior to swinging around the sun. Sekanina specializes in comet behavior, ...
Astronomers have uncovered that a well-known X-ray binary, whose exact nature has been a mystery to scientists until now, is actually a hidden ultraluminous X-ray source. The study is published in Nature Astronomy.
Astronomy
Jun 24, 2024
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This NASA/ESA Hubble Space Telescope image features the barred spiral galaxy NGC 3059, which lies about 57 million light-years from Earth. Hubble's Wide Field Camera 3 collected the data in May 2024 as part of an observing ...
Astronomy
Jun 7, 2024
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What is dark matter? That question is prominent in discussions about the nature of the universe. There are many proposed explanations for dark matter, both within the Standard Model and outside of it.
Astronomy
Jun 6, 2024
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A new method of detecting high-frequency gravitational waves (HFGWs) has been proposed by a research team led by Prof. Tao Liu, Associate Professor from the Department of Physics at the Hong Kong University of Science and ...
Astronomy
Jun 5, 2024
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Scientists believe the environment immediately surrounding a black hole is tumultuous, featuring hot magnetized gas that spirals in a disk at tremendous speeds and temperatures. Astronomical observations show that within ...
Astronomy
Apr 22, 2024
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Bayreuth scientists are investigating the structure and long-term behavior of galaxies using mathematical models based on Einstein's theory of relativity. Their innovative approach uses a deep neural network to quickly predict ...
Astronomy
Feb 5, 2024
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Using various ground-based telescopes, astronomers have performed photometric and spectroscopic observations of a nearby Type Ia supernova known as SN 2020nlb. Results of the observations campaign, presented January 16 on ...
