A Year in the Life of an Infrared Echo

NASA's image library records A Year in the Life of an Infrared Echo.

WHY IT’S INTERESTING

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.

SERENDIPITYA little unexpected

FamiliarWeird

A CLOSER LOOK

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.

Explore NASA's original image record for credits and available downloads.

FOLLOW THE EVIDENCE

NASA Image and Video LibraryA Year in the Life of an Infrared Echo

Original explanation based on the sources above. Images carry their own reuse terms.