Andromeda XXXV is only about 20,000 times more massive than our Sun—very small, even for a satellite galaxy. For comparison, the Milky Way’s mass is about 1.5 trillion solar masses, and the beefiest ...

Astronomers have discovered the smallest dwarf galaxy ever seen. It is a mystery how the satellite galaxy of Andromeda ...

Despite its age, Pegasus VII is extremely faint, with an absolute magnitude ... beginning to enter Andromeda’s gravitational pull, providing a rare snapshot of a dwarf galaxy before it merges ...

Astronomers at the University of Michigan have discovered a new satellite of the Andromeda Galaxy (M31), the Milky Way’s closest major galactic neighbor, and it has broken the record for the ...

According to the study, Pegasus VII has an absolute V-band magnitude of −5.7 mag ... Pegasus VII is the faintest known dwarf galaxy satellite of Andromeda and roughly five times larger than ...

But one backyard astrophotographer has shattered that notion with a stunning photo of the Andromeda Galaxy, revealing individual stars and swirling cosmic dust in breathtaking detail. Andrew ...

Dalcanton / B.F. Williams / L.C. Johnson / PHAT team / R. Gendler Surrounding the Andromeda galaxy, three dozen tiny galaxies aren't behaving the way scientists expected. NASA's Hubble Space ...

Dozens of dwarf galaxies swarming around the Andromeda Galaxy like bees have been caught on camera by the Hubble Space Telescope, which took more than a thousand orbits of the Earth to take enough ...

This is a wide-angle view of the distribution of known satellite galaxies orbiting the large Andromeda galaxy (M31), located 2.5 million light-years away. The Hubble Space Telescope was used to ...

NASA's Hubble Space Telescope has spotted some strange behaviour from a swarm of galaxies around Andromeda, our neighbour galaxy. A mere 2.5 million light years away from our Milky Way galaxy ...