RIP Spitzer, the Coolest Heat Telescope in the Solar System

For 16 years, NASA's trusty scope revealed a hidden infrared universe. Now it’s up to the James Webb Space Telescope to pick up where it left off.

RIP Spitzer, the Coolest Heat Telescope in the Solar System
For 16 years, NASA's trusty scope revealed a hidden infrared universe. Now it’s up to the James Webb Space Telescope to pick up where it left off.
Read More