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TW Hydrae Protoplanetary Disk Weighed With Unprecedented Accuracy
2013-01-30 13:26:09

Lee Rannals for redOrbit.com - Your Universe Online Astronomers recently reported in the journal Nature that they have determined the mass of the planetary nursery surrounding the star TW Hydrae with unprecedented accuracy. TW Hydrae lies roughly 176 light-years away from Earth and is one of the most frequently observed protoplanetary disks in space. The young star is surrounded with a disk of dense gas and dust, in which larger objects begin to turn into planets. Our Solar System...


Word of the Day
malpais
  • The ragged surface of a lava-flow.
'Malpais' translates from Spanish as 'bad land.'