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A photo of the COSPIN instrument
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European Space Agency

COSPIN Instrument Page

COSPIN is one of the instruments on the Ulysses spacecraft. COSPIN stands for the COsmic and Solar Particle INvestigation. Try saying that fast three times!

COSPIN is actually made up of 5 different sensors. These sensors are helping us make a map of the heliosphere. The Earth is inside the heliosphere, or the region of space influenced by the solar wind. Because the solar wind affects life on Earth, it is important that we understand the heliosphere and all of the particles in this region. COSPIN does just that!

The Ulysses probe was launched in 1990. It is still orbiting the Sun and sending data back to Earth. The builders of COSPIN knew that Ulysses would be in space a long time and so they made COSPIN really strong so that COSPIN would be able to survive a long time in space.

Last modified March 7, 2001 by Jennifer Bergman.

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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