Large galaxies, like the Milky Way, attract smaller galaxies. Our solar system's cosmic neighborhood spans 100,000 ...
The Milky Way galaxy has had a violent history ... the most likely birthplace of these stars would have been a small dwarf galaxy, weighing no more than roughly 2 percent of the current mass ...
The Milky Way's system of small, orbiting satellite galaxies is quite unusual, a new 12-year study of other galaxies in the local universe has found. The Satellites Around Galactic Analogs (SAGA ...
The potential brown dwarfs are located at the edge of the SMC, a dwarf galaxy close to the Milky Way, in a young star cluster called NGC 602. NGC 602 is around 200,000 light-years from Earth.
The Milky Way is an exceptional galaxy and home to ... which later formed together to create the first dwarf galaxies, some 1 to 2 billion years after the universe began. From there, the galaxies ...
Simulation showing the drastic episodes of star formation produced by the approach and interaction of the Sagittarius dwarf galaxy with the Milky Way 6,000, 2,000 and 1,000 billion years ago.
Every constellation has something within its borders worth tracking down, if you just look hard enough. Here are five to ...
Fastest Known Planetary System May Have Been Pushed by Our Galaxy’s Supermassive Black Hole ...
It is believed that Dwarf galaxies are the first that formed, many of them merging afterwards to form bigger galaxies like the Milky Way, with the process leaving behind tidal debris such as GCs ...
Dark matter halo—A roughly spherical halo of dark matter that surrounds a galaxy, including the Milky Way, and extends far beyond the region of luminous stars. Dwarf galaxy—The smallest and ...
In the past, astronomers have noticed the same chemical composition in some stars that are part of dwarf galaxies orbiting the Milky Way. It suggests that the newly found 'chemically peculiar ...