ScienceDaily: Extrasolar Planets News |
| Solar system has a new most-distant member Posted: 26 Mar 2014 12:37 PM PDT The Solar System has a new most-distant member, bringing its outer frontier into focus. New work reports the discovery of a distant dwarf planet, called 2012 VP113, which was found beyond the known edge of the Solar System. This is likely one of thousands of distant objects that are thought to form the so-called inner Oort cloud. The work indicates the potential presence of an enormous planet, not yet seen, but possibly influencing the orbit of inner Oort cloud objects. |
| Contaminated white dwarfs: Scientists solve riddle of celestial archaeology Posted: 26 Mar 2014 06:22 AM PDT A decades old space mystery has been solved by an international team of astronomers. The team put forward a new theory for how collapsed stars become polluted -- that points to the ominous fate that awaits planet Earth. Scientists investigated hot, young, white dwarfs -- the super-dense remains of Sun-like stars that ran out of fuel and collapsed to about the size of the Earth. |
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