- arXiv: Infrared Spectroscopy of Substellar Objects in Orion[永久失效链接] P. W. Lucas, P. F. Roche, France Allard, Peter H. Hauschildt Mon, 14 May 2001 09:08:51 GMT (accessed: 25 August 2006)
- Royal Astronomical Society: FREE-FLOATING PLANETS CONFIRMED Thursday, 29 March 2001 (accessed: 25 August 2006)
- news@Nature.com (subscription required): Lonely planets float free Tom Clarke 04 Apr 2001 (accessed: 25 August 2006)
- Strange New Worlds Could Make Miniature Solar Systems Robert Roy Britt (SPACE.com) 5 June 2006 11:35 am ET
- Working Group on Extrasolar Planets - Definition of a "Planet" POSITION STATEMENT ON THE DEFINITION OF A "PLANET" (IAU) 2003
Text is available under the CC BY-SA 4.0 license; additional terms may apply.
Images, videos and audio are available under their respective licenses.