File:Neptune's Dynamic Environment.webm

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DescriptionNeptune's Dynamic Environment.webm	A time-lapse movie of Neptune's dynamic atmosphere and satellite orbits was assembled by combining images taken over a 15-hour period by the Hubble Space Telescope's Advanced Camera for Surveys. The movie is composed of natural- and enhanced-color views of Neptune that were assembled from images taken in 14 different colored filters, which allow atmospheric features to be seen above Neptune's methane haze. Neptune is shown in natural color with its largest satellite, Triton, as it orbits the planet. Triton orbits in a "backwards" or retrograde path relative to the other major satellites, and is opposite to Neptune's rotation. Zooming into Neptune, the colors were enhanced to show the subtle details in Neptune's atmosphere. The spectral region of light is changed from the visible to special methane bands in the near-infrared resulting in Neptune's atmosphere becoming very dark, except for high-altitude clouds. Coming into view are Neptune's four smaller moons: Proteus, Larissa, Galatea and Despina.
Date	24 March 2008
Source	https://www.nasa.gov/multimedia/imagegallery/image_feature_399.html (direct link)
Author	NASA/ESA/E. Karkoschka (University of Arizona)/H.B. Hammel (Space Science Institute, Boulder, Colo.)/G. Bacon (STScI)

	Date/Time	Thumbnail	Dimensions	User	Comment
current	03:48, 18 May 2016		39 s, 640 × 480 (1.1 MB)	Montvale	Fix duration.
	01:46, 18 May 2016		4 d 17 h 26 min 47 s, 640 × 480 (1.63 MB)	Montvale	User created page with UploadWizard

File:Neptune's Dynamic Environment.webm

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	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.)
	Warnings: Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221. The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain. Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI.[1] See also {{PD-Hubble}} and {{Cc-Hubble}}. The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2] Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3] The National Space Science Data Center (NSSDC) site has been known to host copyrighted content. Its photo gallery FAQ states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."