Mission: SAGE III

Credit: NASA

When did SAGE III launch?

February 19, 2017

Where is SAGE III?

250 miles (400 km) from Earth

What does SAGE III do?

SAGE is the short name for Stratospheric Aerosol and Gas Experiment. It is the third instrument of its kind and it is positioned on the International Space Station (ISS). It is a kind of instrument, called a spectrometer. SAGE-III-ISS peers through the atmosphere as the sunlight or moonlight shine through it. The information it collects helps us understand and care for Earth's atmosphere.

Learn more about NASA’s SAGE III.