ISEE-3 (ICE) Revisits Earth

  • Released Monday, April 14th, 2014
  • Updated Wednesday, May 3rd, 2023 at 1:51PM
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ISEE-3 (International Sun-Earth Explorer) was a mission launched in 1978 and was the first spacecraft to orbit the Earth-Sun L1 (Wikipedia: Lagrange) point.

Its primary mission complete, it was renamed the International Cometary Explorer (ICE) and its orbit was altered to measure the electrodynamic environments of comets Giacobini-Zinner and Halley (Wikipedia). It subsequently entered a solar orbit which sent it inside and outside the orbit of the Earth.

In mid-2014, its current orbit will have ICE pass close to the Earth.



Credits

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NASA's Scientific Visualization Studio


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