Mission: Terra

Credit/Courtesy: Reto Stockli, NASA Earth Observatory

When did Terra launch?

December 18, 1999

Where is Terra?

438 miles (705 kilometers) above Earth’s surface

What does Terra do?

The Terra satellite has five instruments that work together to observe Earth. Terra keeps a close watch on Earth's atmosphere, ocean, land, snow, and ice. Terra's instruments provide information about Earth’s water, carbon, and energy cycles, and also provides important information about natural disasters.

Learn more about NASA’s Terra satellite.