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Astronomy Apr 11, 2025

Satellite galaxies gone awry: Andromeda's asymmetrical companions challenge cosmology

The Andromeda galaxy is surrounded by a constellation of dwarf galaxies that are arranged in a highly lopsided manner. Analysis of cosmological simulations published in Nature Astronomy reveal that this degree of asymmetry ...

Astronomy Apr 10, 2025

Our closest neighboring galaxy may be being torn apart

A team led by Satoya Nakano and Kengo Tachihara at Nagoya University in Japan has revealed new insights into the motion of massive stars in the Small Magellanic Cloud (SMC), a small galaxy neighboring the Milky Way.

Astronomy Apr 9, 2025

Hubble unveils first images of ongoing star cluster mergers near center of dwarf galaxies

A new study reports the first direct observation of merging star clusters in the nuclear region of dwarf galaxies. This detection confirms the feasibility of this formation route for nuclei in dwarf galaxies, which has long ...

Earth Sciences Apr 9, 2025

With new database, researchers may be able to predict rare 'milky seas' bioluminescent event

For generations, sailors around the globe have reported a mysterious phenomenon: Vast areas of the ocean glow steadily at night, sometimes for months on end. The light is bright enough to read by and is oddly similar to the ...

Astronomy Apr 3, 2025

Hierarchical cluster formation in the Milky Way's core caps birth of massive stars

An international research team led by Dr. Zhang Suinan from the Shanghai Astronomical Observatory of the Chinese Academy of Sciences has uncovered the unique mechanisms governing star formation in the Central Molecular Zone ...

Astronomy Apr 2, 2025

Sagittarius C: Webb provides closest look yet at one of Milky Way's most extreme environments

Sagittarius C is one of the most extreme environments in the Milky Way galaxy. This cloudy region of space sits about 200 light-years from the supermassive black hole at the center of our galaxy. Here, a massive and dense ...

Astronomy Apr 1, 2025

A dramatic Einstein ring seen by Webb

One of the first verified predictions of general relativity is the gravitational deflection of starlight. The effect was first observed in 1919 during a total solar eclipse. Since stars appear as points of light, the effect ...

Astronomy Mar 27, 2025

Space telescope Gaia sent into 'retirement' but legacy endures

Europe's Gaia space telescope was powered down and sent into "retirement" on Thursday after a decade revealing the secrets of the Milky Way, but its observations will fuel discoveries for decades to come.

Astronomy Mar 25, 2025

Image: Hubble captures the Small Magellanic Cloud

Say hello to one of the Milky Way's neighbors! This NASA/ESA Hubble Space Telescope image features a scene from one of the closest galaxies to the Milky Way, the Small Magellanic Cloud (SMC). The SMC is a dwarf galaxy located ...

Astronomy Mar 24, 2025

Webb unmasks true nature of the 'Cosmic Tornado' spiral galaxy

The NASA/ESA/CSA James Webb Space Telescope has captured a beautiful juxtaposition of the nearby protostellar outflow known as Herbig-Haro 49/50 with a perfectly positioned, more distant spiral galaxy. Due to the close proximity ...

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