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What Orbits Stars
Astronomers have found many types of objects in orbit around stars. These range from other full-sized stars like our sun (binary star systems) to Jupiter sized planets (never directly imaged but inferred from radial-velocity spectroscopy). The relative sizes of these various types of bodies are shown above for comparison. Even though a brown dwarf can be similar in diameter to a Jupiter sized planet, brown dwarfs are 13-75 times more massive and they can appear on the order of 100-1,000,000 times brighter than a Jupiter sized planet at infrared wavelengths where they are studied with telescopes.
Créditos:Gemini Observatory/NSF/AURA/J. Lomberg
About the Image
Id: | gemini0205d |
Tipo: | Artwork |
Release date: | 21 de Mayo de 2002 a las 20:00 |
Related releases: | gemini0704, gemini0205 |
Size: | 720 x 761 px |
Sobre el Objeto
Categoría: | Stars |