Public domain
A Year in the Life of an Infrared Echo
From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.
About this work
These images from NASA Spitzer Space Telescope, taken one year apart, show the supernova remnant Cassiopeia A yellow ball and surrounding clouds of dust reddish orange.
NASA Image and Video Library’s own descriptionCredit lineA Year in the Life of an Infrared Echo. NASA/JPL, 2005-06-10. Public domain. ID: PIA03518.
