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Brown_Dwarf_Gliese_229B.jpg (800 × 565 بكسل، حجم الملف: 91 كيلوبايت، نوع الملف: image/jpeg)
Description
This brown dwarf (smaller object) orbits the star Gliese 229, which is located in the constellation Lepus about 19 light years from Earth. This brown dwarf, called Gliese 229B, is about 20 to 50 times the mass of Jupiter.
Source
NASA. http://starchild.gsfc.nasa.gov/Images/StarChild/questions/brown_dwarf.jpg
License
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This file is in the public domain because it was created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (NASA copyright policy page or JPL Image Use Policy).
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Warnings:
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