Astronomy & Space Word of The Day
fracture: A break or crack.
Today in History:
1978: International Sun-Earth Explorer 3 - USA Interplanetary Monitor launched. The Internation Sun-Earth Explorer was renamed to International Cometary Explorer (ICE). On September 11, 1985 it passed through the plasma tail of comet Giacobini-Zinner.
Featured Astronomy Image of the WeekCheck out the former Astronomy Picture of the Day.
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