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On This Date in History - February 12


Daily Extra :

Astronomy & Space Word of The Day

chromophores: Groups of atoms or molecules that are responsible for pigmentation (color).

Who Was Born Today?:

1893: Marcel G J Minnaert, Dutch astronomer
1933: Ivan Nikolayevich Anikeyev, cosmonaut
1936: Fang Lizhi, Chinese astrophysicist/dissident

Who Died Today?:

1787: Ruggiero Boscovich, Ital physicist/astronomer/philosopher, dies at 75

Today in History:

1955: Soviets decide space center to be built in Baikonur, Kazachstan

1961: Venera 1 - USSR Venus Flyby launched. Now in a solar orbit.

1974: Mars 5 - USSR Mars Orbiter entered into orbit around Mars. It acquired imaging data for the Mars 6 and 7 missions.

1979: Kosmos 1076, 1st Soviet oceanographic satellite, launched

1994: Clementine - USA Lunar Orbiter - (launched January 25, 1994) spent 70 days (between February 6 and May 5, 1994) in lunar orbit. The official name for Clementine is Deep Space Probe Science Experiment (DSPSE). It was a Department of Defense program used to test new space technology. Clementine was a new design using lightweight structure and propellant systems. Its four cameras mapped the surface of the Moon at 125-250 meters/pixel resolution. Clementine also used a laser to gather altimeter data which will make it possible to generate the first lunar topographic map.

Featured Astronomy Image of the Week

Check out the former Astronomy Picture of the Day. See what surprises await you this week.

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