Template:Selected anniversaries/December 14: Difference between revisions

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||1972 – Apollo program: Eugene Cernan is the last person to walk on the moon, after he and Harrison Schmitt complete the third and final extravehicular activity (EVA) of the Apollo 17 mission.
||1972 – Apollo program: Eugene Cernan is the last person to walk on the moon, after he and Harrison Schmitt complete the third and final extravehicular activity (EVA) of the Apollo 17 mission.
||Donald Howard Menzel (d. December 14, 1976) was one of the first theoretical astronomers and astrophysicists in the United States. He discovered the physical properties of the solar chromosphere, the chemistry of stars, the atmosphere of Mars, and the nature of gaseous nebulae. Pic.


File:Viking orbiter.jpg|link=Viking 2 (nonfiction)|1976: Viking program: The [[Viking 2 (nonfiction)|Viking 2]] orbiter begins its extended mission.
File:Viking orbiter.jpg|link=Viking 2 (nonfiction)|1976: Viking program: The [[Viking 2 (nonfiction)|Viking 2]] orbiter begins its extended mission.

Revision as of 11:00, 24 March 2018