News tagged with galaxies

Natural telescope sets new magnification record

Extremely distant galaxies are usually too faint to be seen, even by the largest telescopes. But nature has a solution—gravitational lensing, predicted by Albert Einstein and observed many times by astronomers. Now, an ...

dateFeb 02, 2018 in Astronomy
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A new bound on axions

An axion is a hypothetical elementary particle whose existence was postulated in order to explain why certain subatomic reactions appear to violate basic symmetry constraints, in particular symmetry in time. The 1980 Nobel ...

dateJan 22, 2018 in Astronomy
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NGC 3344 galaxy: A lonely beauty

Beauty, grace, mystery—this magnificent spiral galaxy has all the qualities of a perfect galactic Valentine. Captured by the NASA/ESA Hubble Space Telescope, the galaxy NGC 3344 presents itself face-on, allowing astronomers ...

dateFeb 14, 2018 in Astronomy
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Hubble's majestic spiral in Pegasus

This NASA/ESA Hubble Space Telescope image shows a spiral galaxy known as NGC 7331. First spotted by the prolific galaxy hunter William Herschel in 1784, NGC 7331 is located about 45 million light-years away in the constellation ...

dateFeb 05, 2018 in Astronomy
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