File:Uranus (2021-047).png

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Captions

Captions

Hubble’s October 25th view of Uranus puts the planet’s bright northern polar hood in the spotlight.

Summary

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Description
English: Hubble’s October 25th view of Uranus puts the planet’s bright northern polar hood in the spotlight. It’s springtime in the northern hemisphere and the increase in ultraviolet radiation absorbed from the Sun seems to be causing the polar region to brighten. Researchers are studying how the brightening polar hood results from changes in the concentration of atmospheric methane gas and the characteristics of haze particles, as well as the atmospheric flow patterns. Curiously, even as the atmospheric hood gets brighter, the sharp southernmost boundary remains fixed at the same latitude. This has been constant over the past several years of OPAL observations, perhaps because a jet stream is setting up a barrier at that latitude of 43 degrees.
Date 18 November 2021 (upload date)
Source Uranus
Author SCIENCE: NASA, ESA, Amy Simon (NASA-GSFC), Michael H. Wong (UC Berkeley) IMAGE PROCESSING: Alyssa Pagan (STScI)
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Licensing

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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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current13:22, 14 August 2023Thumbnail for version as of 13:22, 14 August 2023650 × 650 (602 KB)OptimusPrimeBot (talk | contribs)#Spacemedia - Upload of https://stsci-opo.org/STScI-01FM5H35H9527M3FB36H088MRT.png via Commons:Spacemedia

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