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 ...

The spiral galaxy 2MASX J23453268−0449256 is located nearly 1 billion light-years away from Earth, and measures about three ...

"We thought they were basically all going to be fried because the entire universe turned into a vat of boiling oil." ...

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 ...

A century ago, Edwin Hubble revolutionized our understanding of the universe by proving that the Milky Way is just one of ...

This new knowledge comes from the outskirts of Andromeda, the Milky Way's nearest major galactic neighbor, where astronomers have found the system's smallest and dimmest satellite galaxy to date.

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This new knowledge comes from the outskirts of Andromeda, the Milky Way's nearest major galactic neighbor, where astronomers have found the system's smallest and dimmest satellite galaxy to date.

But the satellites of the Milky Way and M31 show different evolutionary histories, and this new galaxy, dubbed Andromeda XXXV, is no exception. The question of why Milky Way satellites appear so ...