NASA's Hubble Shows Link Between Stars' Ages and Their Orbits
Thursday, July 18, 2013 - 12:30
in Astronomy & Space
Astronomers using NASA's Hubble Space Telescope have determined the orbital motion of two distinct populations of stars in ancient globular star cluster 47 Tucanae, offering proof they formed at different times and providing a rare look back into the Milky Way galaxy's early days.