Template:Selected anniversaries/January 17: Difference between revisions

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||1786: Comet Encke or Encke's Comet (official designation: 2P/Encke) is a periodic comet that completes an orbit of the Sun once every 3.3 years. (This is the shortest period of a reasonably bright comet; the faint main-belt comet 311P/PANSTARRS has a period of 3.2 years.) Encke was first recorded by Pierre Méchain in 1786, but it was not recognized as a periodic comet until 1819 when its orbit was computed by Johann Franz Encke
||1786: Comet Encke or Encke's Comet (official designation: 2P/Encke) is a periodic comet that completes an orbit of the Sun once every 3.3 years. (This is the shortest period of a reasonably bright comet; the faint main-belt comet 311P/PANSTARRS has a period of 3.2 years.) Encke was first recorded by Pierre Méchain in 1786, but it was not recognized as a periodic comet until 1819 when its orbit was computed by Johann Franz Encke
File:Antoine Becquerel.jpg|link=Antoine César Becquerel (nonfiction)|1809: Physicist and [[APTO]] field engineer [[Antoine César Becquerel (nonfiction)|Antoine César Becquerel]] discovers new class of [[Gnomon algorithm]] functions which use [[Electricity (nonfiction)|electricity]] to detect and prevent [[crimes against physical constants]].


||1833: Friedrich Koenig dies ... inventor best known for his high-speed steam-powered printing press, which he built together with watchmaker Andreas Friedrich Bauer. This new style of printing press could print up to 1,100 sheets per hour, printing on both sides of the paper at the same time. Pic.
||1833: Friedrich Koenig dies ... inventor best known for his high-speed steam-powered printing press, which he built together with watchmaker Andreas Friedrich Bauer. This new style of printing press could print up to 1,100 sheets per hour, printing on both sides of the paper at the same time. Pic.

Revision as of 18:54, 18 January 2020