迷你海王星

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迷你海王星Mini-Neptune)是指实际质量低于太阳系的天王星海王星,但却和海王星相当类似的太阳系外行星。而这样的行星大气层上层会有由组成的厚层,在之下是极深的水和氨等分子较大的挥发物。如果没有厚大气层的话,这类行星则是海洋行星[1]

在迷你海王星和组成成分以岩石为主的超级地球之间可能有一个分界,而这个界线可能是二倍地球半径。宜居行星开普勒22b格利泽581d都是迷你海王星[2][3]

参见[编辑]


参考资料[编辑]

  1. ^ Optical to near-infrared transit observations of super-Earth GJ1214b: water-world or mini-Neptune?, E.J.W. de Mooij (1), M. Brogi (1), R.J. de Kok (2), J. Koppenhoefer (3,4), S.V. Nefs (1), I.A.G. Snellen (1), J. Greiner (4), J. Hanse (1), R.C. Heinsbroek (1), C.H. Lee (3), P.P. van der Werf (1),
  2. ^ Architecture of Kepler's Multi-transiting Systems: II. New investigations with twice as many candidates, Daniel C. Fabrycky, Jack J. Lissauer, Darin Ragozzine, Jason F. Rowe, Eric Agol, Thomas Barclay, Natalie Batalha, William Borucki, David R. Ciardi, Eric B. Ford, John C. Geary, Matthew J. Holman, Jon M. Jenkins, Jie Li, Robert C. Morehead, Avi Shporer, Jeffrey C. Smith, Jason H. Steffen, Martin Still
  3. ^ When Does an Exoplanet’s Surface Become Earth-Like?, blogs.scientificamerican.com, 20 June 2012

外部链接[编辑]