Space exploration began with the launch of Sputnik and Astrophysics was born as the application of physics to the phenomena observed by Astronomy, which etymologically means laws of the stars.
There are 2759 entries in this glossary.| Term | Definition |
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| International Cometary Explorer Ice |
A spacecraft, originally known as ISEE-3 International Sun-Earth Explorer when it was launched in 1978, which was diverted and reactivated in order to pass through the tail of Comet Giacobini-Zinner in September 1985, and to observe Halley’s Comet from 28 million kilometres 17 million miles in March 1986.
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