Light from Red-Hot Planet

This figure charts 30 hours of observations taken by NASA Spitzer Space Telescope of a strongly irradiated exoplanet an planet orbiting a star beyond our own. Spitzer measured changes in the planet heat, or infrared light.

This figure charts 30 hours of observations taken by NASA Spitzer Space Telescope of a strongly irradiated exoplanet an planet orbiting a star beyond our own. Spitzer measured changes in the planet heat, or infrared light.