About the Object

Name: Uranus
Category: NIRCam
Solar System

Zoomed-in image of Uranus (Annotated)

This annotated, zoomed-in image of Uranus, captured by Webb’s Near-Infrared Camera (NIRCam) on 6 February 2023, reveals stunning views of the planet’s rings, as well as clouds and the polar cap.

On the right side of the planet is an area of brightening at the pole facing the Sun, known as a polar cap. This polar cap is unique to Uranus because it is the only planet in the Solar System that is tilted on its side, which causes its extreme seasons. A new aspect of the polar cap revealed by Webb is a subtle brightening near the Uranian north pole.

At the edge of the polar cap lies a bright cloud and a few fainter extended features can be seen just beyond the cap’s edge; a second very bright cloud is seen at the planet’s left limb. Such clouds are typical for Uranus at infrared wavelengths, and are likely connected to storm activity.

The planet displays a blue hue in this representative-colour image, made by combining data from two filters (F140M, F300M) at 1.4 and 3.0 microns, which are assigned to blue and orange, respectively.

[Image description: The planet Uranus on a black background. The planet appears light blue with a large, white patch on the right side. The image is labelled to indicate the locations of the planet’s clouds, polar cap, and zeta ring.]

Credit:

NASA, ESA, CSA, STScI, J. DePasquale (STScI)

About the Image

Id: weic2310b
Type: Collage
Release date: 6 April 2023, 16:00
Related releases: weic2310
Size: 1268 x 1268 px


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