File:Pluto moon P5 discovery with moons' orbits.jpg

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Summary

Description
English: This image, taken by NASA's Hubble Space Telescope, shows five moons orbiting the distant, icy dwarf planet Pluto. The newly discovered small moon, Styx (initially designated P5), is the innermost of the moons found by Hubble over the past seven years. The diagram shows that Styx is in a 58,000-mile-diameter circular orbit around Pluto that is assumed to be co-planar with the other satellites in the system. Though Charon (discovered in 1978) is an even closer moon to Pluto, some astronomers consider the Pluto-Charon pair a "double planet" because Charon's mass is 12 percent of Pluto's mass (by comparison, our Moon is 1.2 percent Earth's mass). This image was taken with Hubble's Wide Field Camera 3 on July 7. Other observations that collectively show the moon's orbital motion were taken on June 26, 27, and 29, 2012 and July 9, 2012. The new data will help scientists in their planning for the July 2015 flyby of Pluto by NASA's New Horizons spacecraft.

The original NASA image has been modified by replacing "P4" and "P5" with newer designations "Kerberos" and "Styx", respectively.
Date
Source http://hubblesite.org/newscenter/archive/releases/2012/32/image/c/
Author NASA, ESA, and L. Frattare (STScI)

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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
current05:48, 3 July 2013Thumbnail for version as of 05:48, 3 July 20131,546 × 1,578 (1,021 KB)WolfmanSFupdate to include newly approved names of moons: Styx and Kerberos
05:03, 17 July 2012Thumbnail for version as of 05:03, 17 July 20121,546 × 1,578 (661 KB)WolfmanSF

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