Black hole fashions stellar beads on a string
Phys.org - Astrophysical Journal
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7h ago
Astronomers have discovered one of the most powerful eruptions from a black hole ever recorded. This mega-explosion billions of years ago may help explain the formation of a striking pattern of star clusters around two massive galaxies, resembling beads on a string ..read more
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Possible atmospheric destruction of a potentially habitable exoplanet
Phys.org - Astrophysical Journal
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7h ago
Astrophysicists studying a popular exoplanet in its star's habitable zone have found that electric currents in the planet's upper atmosphere could create sufficient heating to expand the atmosphere enough that it leaves the planet, likely leaving the planet uninhabitable ..read more
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Learning the trick to finding cannibalized stars
Phys.org - Astrophysical Journal
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1w ago
Scientists working with the powerful telescopes at Georgia State's Center for High Angular Resolution Astronomy (CHARA) Array have completed a survey of a group of stars suspected to have devoured most of the gas from orbiting companion stars. These sensitive measurements have directly detected the feeble glow of the cannibalized stars ..read more
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Will this new solar maximum solve the puzzle of the sun's gamma-ray picture?
Phys.org - Astrophysical Journal
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2w ago
A new study, published in The Astrophysical Journal, has produced a compressed 14-year movie of the sun observed in gamma rays, a visualization tool which revealed that—contrary to the expected uniform distribution of these high energy photons—the solar disk can become brighter on the polar regions. This tendency for the sun's glow in the gamma rays to be dominant at the highest latitudes is evident during the peak of solar activity, as could be seen in June of 2014 ..read more
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A long, long time ago in a galaxy not so far away: Research unearths clues to conditions of the early universe
Phys.org - Astrophysical Journal
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2w ago
Employing massive data sets collected through NASA's James Webb Space Telescope, a research team led by a Rutgers University–New Brunswick astronomer is unearthing clues to conditions existing in the early universe ..read more
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ALMA spots the shadow of a molecular outflow from a quasar when the universe was less than 1 billion years old
Phys.org - Astrophysical Journal
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3w ago
Theoretical predictions have been confirmed with the discovery of an outflow of molecular gas from a quasar when the universe was less than a billion years old ..read more
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Decay of sunspot pair elucidates properties of nearby moving magnetic features
Phys.org - Astrophysical Journal
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3w ago
Scientists studying sunspots have found important clues about magnetic features in their decay that will help understand the evolution and real origin of these mysterious magnetic phenomena. The findings are published in The Astrophysical Journal ..read more
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Astronomers spot 18 black holes gobbling up nearby stars
Phys.org - Astrophysical Journal
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3w ago
Star-shredding black holes are everywhere in the sky if you just know how to look for them. That's one message from a new study by MIT scientists, appearing today in The Astrophysical Journal ..read more
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Webb data suggest many early galaxies were long and thin, not disk-like or spherical
Phys.org - Astrophysical Journal
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1M ago
Columbia researchers analyzing images from NASA's James Webb Space Telescope have found that galaxies in the early universe are often flat and elongated, like breadsticks—and are rarely round, like balls of pizza dough ..read more
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Is K2-18b covered in oceans of water or oceans of lava?
Phys.org - Astrophysical Journal
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1M ago
In the search for potentially life-supporting exoplanets, liquid water is the key indicator. Life on Earth requires liquid water, and scientists strongly believe the same is true elsewhere. But from a great distance, it's difficult to tell what worlds have oceans of water. Some of them can have lava oceans instead, and getting the two confused is a barrier to understanding exoplanets, water, and habitability more clearly ..read more
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