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File:Kepler-42 System – Jupiter System Comparison.jpg

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English: This artist's concept compares the Kepler-42 (formerly known as KOI-961) planetary system to Jupiter and the largest four of its many moons.

The Kepler-42 planetary system hosts the three smallest planets known to orbit a star beyond our sun (called Kepler-42b, Kepler-42c, Kepler-43d; formerly called KOI-961.01, KOI-961.02 and KOI-961.03). The smallest of these planets, Kepler-42d, is about the same size as Mars. All three planets take less than two days to whip around their star.

The planets were discovered using data from NASA's Kepler mission and ground-based telescopes. The Kepler-42 star is a tiny "red dwarf," just one-sixth the size of our sun. This planetary system is the most compact detected to date, with a scale closer to Jupiter and its moons than another star system.

The planet and moon orbits are drawn to the same scale. The relative sizes of the stars, planets and moons have been increased for visibility.
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Source http://www.nasa.gov/mission_pages/kepler/news/smallest-exoplanets.html
Author NASA/JPL-Caltech

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Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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Date/TimeThumbnailDimensionsUserComment
current20:15, 15 April 2017Thumbnail for version as of 20:15, 15 April 20173,000 × 2,000 (307 KB)Karl432 (talk | contribs)Making the star color a little more similar to the color by what a 3100K black body would appear to the human eye (in fact comparable to a 2800–3100K halogen light bulb)
23:37, 2 December 2014Thumbnail for version as of 23:37, 2 December 20143,000 × 2,000 (221 KB)Karl432 (talk | contribs)KOI-961 is now known as Kepler-42. Legends adjusted.
20:15, 30 August 2012Thumbnail for version as of 20:15, 30 August 20123,000 × 2,000 (334 KB)Stas1995 (talk | contribs)User created page with UploadWizard

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