File:Compass Image of Uranus and Neptune (2019-06-4321).png

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Compass Image of Uranus and Neptune

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Description	English: Compass Image of Uranus and Neptune
Date	7 February 2019 (upload date)
Source	Compass Image of Uranus and Neptune
Author	, , A. Simon (NASA Goddard Space Flight Center), and M.H. Wong and A. Hsu (University of California, Berkeley)
Other versions	TIF version

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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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File:Compass Image of Uranus and Neptune (2019-06-4321).tif

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Author	Space Telescope Science Institute Office of Public Outreach
Image title	The two major planets beyond Saturn have only been visited once by a spacecraft, albeit briefly. NASA's Voyager 2 spacecraft swung by Uranus in 1986, and Neptune in 1989. Our robotic deep-space tourist snapped the only close-up, detailed images of these monstrous worlds. For Neptune, the images revealed a planet with a dynamic atmosphere with two mysterious dark vortices. Uranus, however, appeared featureless. But these views were only brief snapshots. They couldn't capture how the planets' atmospheres change over time, any more than a single snapshot of Earth could tell meteorologists about weather behavior. And, they go through protracted seasonal changes in their multi-decades-long orbits. Ever since the Voyager encounter, the Hubble Space Telescope has provided an opportunity to monitor these worlds like a diligent weatherman.Since Hubble's launch in 1990, astronomers have used it to amass an album of outer planet images. Yearly monitoring of these giant worlds is now allowing astronomers to study long-term seasonal changes, as well as capture transitory weather patterns. One such elusive event is yet another dark storm on Neptune, shown in the latest Hubble image of the planet (right).The telescope's new snapshot of Uranus (left) shows that the ice giant is not a planetary wallflower. A vast bright polar cap across the north pole dominates the image. The cap, which may form due to seasonal changes in atmospheric flow, has become much more prominent than in previous observations dating back to the Voyager 2 flyby, when the planet, in the throes of winter, looked bland.
Short title	Hubble Reveals Dynamic Atmospheres of Uranus and Neptune
Credit/Provider	NASA, ESA, A. Simon (NASA Goddard Space Flight Center), and M.H. Wong and A. Hsu (University of California, Berkeley)
Headline	Hubble Reveals Dynamic Atmospheres of Uranus and Neptune
Source	STScI
Usage terms	http://hubblesite.org/copyright/
Date and time of data generation	7 February 2019
Contact information	outreach@stsci.edu http://hubblesite.org 3700 San Martin Drive Baltimore, MD, 21218 USA 410-338-4444
Keywords	Uranus Neptune
Horizontal resolution	28.34 dpc
Vertical resolution	28.34 dpc
File change date and time	15:57, 29 January 2019

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