This picture shows how the AIM spacecraft might look when it it goes into space in 2006.
Click on image for full size
Courtesy of NASA (Hampton University)
Space Missions to study Earth's Atmosphere & Climate
Some satellites study Earth from space. Some of them study our atmosphere and weather. Some take pictures of clouds. Others use special instruments to
make measurements of temperature, humidity, or the types of gases in the atmosphere.
Aura is a satellite that blasted off in July 2004. It is studying pollution,
gases that may
be related to climate change, and ozone.
IMAGE (Imager for Magnetopause-to-Aurora Global Exploration) has been in space
studying the plasmasphere since
March 2000. Polar was launched in 1996. Polar looks at the aurora and
the magnetosphere. UARS
(Upper Atmosphere Research Satellite) is an older satellite that has been in
1991. Some of its instruments have stopped working, but others are still good.
UARS studies the chemistry in
Some satellites for studying weather will be launched in the years ahead.
COSMIC (Constellation Observing System for Meteorology, Ionosphere & Climate)
is a group of satellites that will be blast off in 2005. They will gather data
about temperature and humidity in the atmosphere. AIM (Aeronomy
of Ice in the Mesosphere) will study noctilucent clouds in the mesosphere.
AIM's mission will start in 2006.
Some older satellites don't work any more, but made important measurements
when they were working. SNOE (Student
Nitric Oxide Explorer) studied the gas nitric oxide in the thermosphere from
1998 to 2003. Seven Nimbus satellites, which flew between 1964 through
1994, made many measurements of the atmosphere. A bunch of satellites, called
GOES (Geostationary Operational Environmental Satellite), have helped with
weather predictions since 1975. Most GOES have stopped working, but GOES-8
and GOES-10 are still on the job.
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