The Right Tools: Sensing Earth From Space
An illustration of a satellite

The information in this video was accurate as of the original publication date.

Audience: Educators and Students
Grades: 9-12
Year: 2002

This video segment explains why NASA uses satellites and how satellites work. Viewers learn about the four components of a satellite, the processes of uplinking and downlinking, and the information that satellites provide to scientists. The segment also explains the difference between geostationary and orbiting satellites.

The Right Tools: Sensing Earth From Space
Duration: 4 minutes 03 seconds
> View QuickTime [13MB]

This video clip is part of the Our Home: Earth From Space DVD that may be ordered from the Central Operation of Resources for Educators, or CORE  →.

Other video learning clips in this series:
Interconnection of Earth's Systems
Global Effect of El Niño
The Influence of Global Warming on Earth's Systems
Doing Our Part to Prevent Global Warming
The Environmental, Economic and Social Impact of Drought
Lifecycle of a Hurricane
Linking Earth System Events