English
Arabic
Chinese (Simplified)
Dutch
Esperanto
French
German
Greek
Italian
Japanese
Korean
Portuguese
Russian
Spanish
UrduWhen galaxies go bump in the night, they cook-up new generations of stars that might otherwise have never been born. These close encounters between galaxies cause a gravitational tug-of-war.
Tag: Star Clusters
Hubble Discovers Hydrogen-Burning White Dwarfs Enjoying Slow Aging
Astronomers using Hubble have uncovered burned-out stars that look younger than they really are. After the nuclear furnaces at their cores shut down, the stars continue burning leftover hydrogen on their surface.