Fire and Ice Planet Artist Concept

This artist animation shows a blistering world revolving around its nearby un. NASA infrared Spitzer Space Telescope observed a planetary system like this one, as the planet sunlit and dark hemispheres swung alternately into the telescope view.

This artist animation shows a blistering world revolving around its nearby un. NASA infrared Spitzer Space Telescope observed a planetary system like this one, as the planet sunlit and dark hemispheres swung alternately into the telescope view.

Spitzer Space Telescope