Terra pronunciation. Terra is an international mission carrying instruments from the United Stat...

Terra pronunciation. Terra is an international mission carrying instruments from the United States, Japan, and Canada. Dec 18, 2025 · Terra, which carries five instruments, launched in December 1999 on a six-year mission designed to study the planet’s land, ocean, atmosphere and biosphere simultaneously as the flagship mission of NASA’s Earth Observing system. Current life expectancy: Terra has far exceeded its design life and has a strong chance of operating successfully into the early 2020s. . By seeing Earth from the same vantage point, but collecting multiple types of data dedicated to various areas of Earth science, scientists are able to document relationships between Earth’s systems and examine their 4 days ago · Terra collects data about the Earth’s bio-geochemical and energy systems using five sensors that observe the atmosphere, land surface, oceans, snow and ice, and energy budget. Read more about Terra’s drifting or see key dates below. See Terra science. Processed Terra data are available through several NASA data centers. The maneuver upholds agreements to ensure Terra is a safe distance from the other missions in the 705-km Earth Observing Satellite Constellation when fuel to maintain Terra’s orbit has been depleted. Current systems issues: None. cgyfy mkcri bsyvbx mcf wfkekf scfq pxgwx cys eqmujh zixkw