ScienceDaily: Stars News |
| Snow in an infant solar system: A frosty landmark for planet and comet formation Posted: 18 Jul 2013 11:27 AM PDT A snow line has been imaged in a far-off infant solar system for the very first time. The snow line, located in the disc around the Sun-like star TW Hydrae, promises to tell us more about the formation of planets and comets, the factors that decide their composition, and the history of the Solar System. |
| Hubble shows link between stars' ages and their orbits in dense cluster Posted: 18 Jul 2013 10:06 AM PDT Astronomers using NASA's Hubble Space Telescope have determined the orbital motion of two distinct populations of stars in an ancient globular star cluster, offering proof they formed at different times and providing a rare look back into the Milky Way galaxy's early days. |
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