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Space Missions to Earth - Windows to the Universe

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The Spring 2011 issue of The Earth Scientist is focused on modernizing seismology education. Thanks to IRIS, you can download this issue for free as a pdf. Print copies are available in our online store.

Missions to Earth

Mission Country Launch Date End Date Type Objectives

The Ocean Topography Experiment (TOPEX)/Poseidon USA and France 1992 ----- Orbiter Global sea level measurements with an unprecedented
Geotail USA July 24, 1992 ----- Orbiter Study of the dynamics of the Earth's magnetotail
Upper Atmosphere Research Satellite (UARS) USA September 15, 1991 ----- Orbiter Measurements of energy inputs chemistry and dynamics
of the upper atmosphere and the coupling between the
and lower atmosphere
POLAR USA February 24, 1996 ----- Orbiter Study of the energetics of high latitude polar regions
and auroral imaging
WIND USA November 1, 1994 ----- Orbiter Study of energetic particle and magnetic field input
Fast Auroral SnapshoT (FAST) USA 1996 ----- Orbiter Study of plasma physics of the Earth's auroral regions
IMP-8 USA October 26, 1973 ----- Orbiter Measure the magnetic fields, plasma, and energetic
charged particles of the Earth's magnetosphere

An Overview of Space Exploration

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Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part by the National Science Foundation and NASA, our Founding Partners (the American Geophysical Union and American Geosciences Institute) as well as through Institutional, Contributing, and Affiliate Partners, individual memberships and generous donors. Thank you for your support! NASA AGU AGI NSF