File:Cas A (NIRCam compass image) (weic2330d).tiff

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Captions

Captions

This image of the Cassiopeia A supernova remnant, captured by Webb’s NIRCam (Near-Infrared Camera) shows compass arrows, a scale bar, and a colour key for reference.The north and east compass arrows show the orientation of the image on the sky.

Summary

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Description
English: This image of the Cassiopeia A supernova remnant, captured by Webb’s NIRCam (Near-Infrared Camera) shows compass arrows, a scale bar, and a colour key for reference.The north and east compass arrows show the orientation of the image on the sky.The scale bar is labeled in light-years, which is the distance that light travels in one Earth-year (it takes 3 years for light to travel a distance equal to the length of the scale bar). One light-year is equal to about 9.46 trillion kilometers.This image shows invisible near-infrared wavelengths of light that are represented by visible-light colours. The colour key shows which NIRCam filters were used when collecting the light. The colour of each filter name is the visible-light colour used to represent the infrared light that passes through that filter.[Image description: The image shows a roughly circular cloud of gas and dust with a complex structure. At lower left, a white arrow pointing in the 2 o’clock direction is labelled N for north, while an arrow pointing in the 10 o‘clock direction is labelled E for east. At lower right, a scale bar is labelled 3 light-years and 1 arcminute. At the bottom is a list of MIRI filters in different colours, from left to right: F162M (blue), F356W (green), and F444W (red).]
Date 11 December 2023 (upload date)
Source Cas A (NIRCam compass image)
Author NASA, ESA, CSA, STScI, D. Milisavljevic (Purdue University), T. Temim (Princeton University), I. De Looze (University of Gent)
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This file is licensed under the Creative Commons Attribution 4.0 International license.
Attribution: NASA, ESA, CSA, STScI, D. Milisavljevic (Purdue University), T. Temim (Princeton University), I. De Looze (University of Gent)
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