James Webb wouldn’t be equipped to look in the infrared if not for the previous missions that have allowed us to see the universe in wavelengths that the human eye can’t see!

The spiral of the Milky Way is not as smooth as we once thought because an arm not so far from home appears to be broken! And we may have discovered the answer to why a local asteroid puts on the appearance of a comet.

On January 30, 2020, we had to say goodbye to NASA’s Spitzer Space Telescope after more thank 16 years of revolutionizing infrared astronomy. Today, SciShow sends it off and says thank you by taking a look back at it’s incredible legacy.

Spitzer contributed to advancing human knowledge of black holes and the birth and death of stars.