Astronomers discover how tiny dwarf galaxies form fossils :

When tiny dwarf galaxies age and begin to erode away, they can transform into an even smaller and more dense shape, called an ultra-compact dwarf galaxy.

Related Keywords

Peking , Beijing , China , Kaixiang Wang , Eric Peng , , Gemini North , Space , Astronomy , Noirlab , Astronomical Objects , Astrophysics , Celestial Mechanics , Dwarf Galaxy , Extragalactic Astronomy , Galaxies , Galaxy , Milky Way , Nature , Outer Space , Physical Cosmology , Physical Sciences , Sky , Space Science , Star , Star Cluster , Stars , Stellar Astronomy , Virgo Cluster ,