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Astronomy Feb 5, 2024

How dangerous are kilonovae?

When we look up at the sky on a particularly dark night, there is a sense of timelessness. We might see the flash of a meteor, and occasionally a comet is visible to the naked eye, but the cold and distant stars are unchanging. ...

Space Exploration Feb 5, 2024

Why you shouldn't look at a solar eclipse without eye protection

When a total solar eclipse comes to the Dallas-Fort Worth area on April 8, and the moon starts to cover the sun in the sky, it may feel safe to sneak a peek without eclipse glasses. But experts say that staring at the sun ...

Astronomy Feb 2, 2024

Dark matter might help explain how supermassive black holes can merge

Although the exact nature of dark matter continues to elude astronomers, we have gained some understanding of its general physical properties. We know how it clusters around galaxies, how it makes up much of the matter in ...

Astronomy Feb 1, 2024

Even early galaxies grew hand-in-hand with their supermassive black holes

Within almost every galaxy there is a supermassive black hole. This by itself implies some kind of formative connection between the two. We have also observed how gas and dust within a galaxy can drive the growth of galactic ...

General Physics Feb 1, 2024

Excavation of colossal caverns for Fermilab's DUNE experiment completed

Excavation workers have finished carving out the future home of the gigantic particle detectors for the international Deep Underground Neutrino Experiment. Located a mile below the surface, the three colossal caverns are ...

Astronomy Feb 1, 2024

Magnetic launch of black hole jets in Perseus A

The Event Horizon Telescope collaboration, including scientists from the Max Planck Institute for Radio Astronomy in Bonn, Germany, has recently resolved the jet base of an evolving jet of plasma at ultra-high angular resolution.

Astronomy Feb 1, 2024

Observations shed more light on the properties of the nearest tidal disruption event

An international team of astronomers has conducted multiwavelength observations of AT 2023clx—the closest to Earth tidal disruption event (TDE). Results of the observational campaign, published Jan. 22 on the pre-print ...

Astronomy Feb 1, 2024

ALMA spots the shadow of a molecular outflow from a quasar when the universe was less than 1 billion years old

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.

Astronomy Jan 31, 2024

First eROSITA sky-survey data release makes public the largest ever catalog of high-energy cosmic sources

The German eROSITA consortium has released the data for its share of the first all-sky survey by the soft X-ray imaging telescope flying aboard the Spectrum-RG (SRG) satellite. With about 900,000 distinct sources, the first ...

Astronomy Jan 30, 2024

The space-based gravitational wave observatory LISA gets the green light

The science of studying gravitational waves just got a big boost thanks to the European Space Agency. Its science program committee just approved the Laser Interferometer Space Antenna—affectionately known as LISA—for ...

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