Fișier:Hypothetical exoplanet.jpg

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Descriere
English: This artist's concept of a gas giant planet orbiting a red dwarf K star shows a planet has not been directly imaged, but its presence was detected in 2003 microlensing observations of a field star in our galaxy. Gravitational microlensing happens when a foreground star amplifies the light of a background star that momentarily aligns with it. Follow-up observations by Hubble Space Telescope in 2005 separated the light of the slightly offset foreground star from the background star. This allowed the host star to be identified as a red dwarf star located 19,000 light-years away. The Hubble observations allow for the planet's mass to be estimated at 2.6 Jupiter masses. The characteristics of the lensing event show that the planet is in a Jupiter-sized orbit around its parent red star. The rings and moon around the gas giant are hypothetical, but plausible, given the nature of the family of gas giant planets in our solar system.
Русский: Художественное изображение газового гиганта.
Dată
Sursă http://www.nasa.gov/multimedia/imagegallery/image_feature_671.html
Autor NASA, ESA and G. Bacon (STScI)

Licențiere

Public domain This file is in the public domain because it was created by NASA and ESA. NASA Hubble material (and ESA Hubble material prior to 2009) is copyright-free and may be freely used as in the public domain without fee, on the condition that only NASA, STScI, and/or ESA is credited as the source of the material. This license does not apply if ESA material created after 2008 or source material from other organizations is in use.
The material was created for NASA by Space Telescope Science Institute under Contract NAS5-26555, or for ESA by the Hubble European Space Agency Information Centre. Copyright statement at hubblesite.org or 2008 copyright statement at spacetelescope.org.
For material created by the European Space Agency on the spacetelescope.org site since 2009, use the {{ESA-Hubble}} tag.

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Data și oraMiniaturăDimensiuniUtilizatorComentariu
actuală5 mai 2015 06:00Miniatură pentru versiunea din 5 mai 2015 06:001.280x960 (526 KB)SteinsplitterBotBot: Image rotated by 90°
13 octombrie 2006 05:33Miniatură pentru versiunea din 13 octombrie 2006 05:33960x1.280 (524 KB)A7xA NASA artist rendering of a hypothetical gas giant extrasolar planet.

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