Search results for Andromeda Galaxy

Astronomy Jun 2, 2025

Close encounters of the galactic kind: Simulations suggest Milky Way and Andromeda may not collide after all

Scientists from Helsinki, Durham and Toulouse universities used data from NASA's Hubble and the European Space Agency's Gaia space telescopes to simulate how the Milky Way and Andromeda will evolve over the next 10 billion ...

Astronomy Apr 29, 2025

Astronomers observe largest ever sample of galaxies up to more than 12 billion light years away

The largest sample of galaxy groups ever detected has been presented by a team of international astronomers using data from the James Webb Space Telescope (JWST) in an area of the sky called COSMOS Web. The study marks a ...

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 3, 2025

When a black hole winks at you: Variability identified in supermassive black hole in Andromeda galaxy

A Michigan State University researcher saw X-rays coming from a black hole using the NASA Chandra X-Ray Observatory telescope.

Astronomy Mar 12, 2025

Black holes spew out powerful jets that span millions of light-years. We're trying to understand their whole life cycle

There is a supermassive black hole at the center of nearly every big galaxy—including ours, the Milky Way (it's called Sagittarius A*). Supermassive black holes are the densest objects in the universe, with masses reaching ...

Astronomy Mar 11, 2025

Small, faint and 'unexpected in a lot of different ways': Dwarf galaxy discovery forces rethink of cosmic evolution

A discovery made by a team led by researchers at the University of Michigan tugs at the seams of some key cosmic lessons we thought we had learned from our own galaxy.

Astronomy Feb 27, 2025

Hubble provides bird's-eye view of Andromeda galaxy's ecosystem

Located 2.5 million light-years away, the majestic Andromeda galaxy appears to the naked eye as a faint, spindle-shaped object roughly the angular size of the full moon. What backyard observers don't see is a swarm of nearly ...

Astronomy Feb 25, 2025

New dwarf galaxy discovered in the halo of Andromeda galaxy

An international team of astronomers reports the discovery of a new dwarf galaxy, which they have named Pegasus VII. The newfound galaxy, which lies about 2.4 million light years away, was identified in the Ultraviolet Near-Infrared ...

Astronomy Feb 12, 2025

NASA telescopes deliver stellar bouquet in time for Valentine's day

A bouquet of thousands of stars in bloom has arrived. This composite image contains the deepest X-ray image ever made of the spectacular star-forming region called 30 Doradus.

Astronomy Feb 11, 2025

Supercomputer simulations of giant radio galaxy formation challenge current theoretical models

Enabled by supercomputing, University of Pretoria (UP) researchers have led an international team of astronomers that has provided deeper insight into the entire life cycle (birth, growth and death) of giant radio galaxies, ...

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