* Astronomy

Blobrana · L

RE: December 20th

Blobrana · L

The 1946 Nankai earthquake occurred on December 20, 1946
http://en.wikipedia.org/wiki/1946_Nankaid%C5%8D_earthquake

Blobrana · L

On December 20, 1951, Experimental Breeder Reactor I became the first electricity-generating nuclear power plant
http://en.wikipedia.org/wiki/Experimental_Breeder_Reactor_I

The Ames Research Center (ARC) was founded on December 20, 1939
http://en.wikipedia.org/wiki/Ames_Research_Center

Finally, on December 20 after nearly a year of foot-dragging, the instrument observation program was approved and Project Twinkle was born. The first instrument post (consisting of two officers) was established at Holloman Air Force Base in February 1950.
http://en.wikipedia.org/wiki/Green_fireballs#Project_Twinkle

Blobrana · L

ACRIMSAT was launched on 20 December 1999
http://en.wikipedia.org/wiki/ACRIMSAT

The Nozomi spacecraft made an Earth flyby in 2002
http://astronomy.activeboard.com/t36893239/nozomi/

Beagle 2 probe was 'spotted' on Mars in 2005
http://news.bbc.co.uk/1/hi/sci/tech/4542174.stm

Soyuz TMA-17, was launched on 20 December 2009 with the ISS Expedition 22 crew
http://en.wikipedia.org/wiki/Soyuz_TMA-17

Georgy Grechko made the first spacewalk in an Orlan space suit on December 20, 1977
http://en.wikipedia.org/wiki/Georgy_Grechko

Blobrana · L

Robert Jemison Van de Graaff, (December 20, 1901 - January 16, 1967) was an American physicist
http://astronomy.activeboard.com/t46843910/robert-jemison-van-de-graaff-1901-1967/

David Joseph Bohm FRS (20 December 1917 - 27 October 1992) was an American theoretical physicist
http://en.wikipedia.org/wiki/David_Bohm

Oronce Fine (20 December 1494 - 8 August 1555) was a French mathematician
http://en.wikipedia.org/wiki/Oronce_Fin%C3%A9

Uri Geller (born 20 December 1946) is a stage magician
http://astronomy.activeboard.com/t12590706/uri-geller/

Walter Sydney Adams (December 20, 1876 - May 11, 1956) was an American astronomer.
http://en.wikipedia.org/wiki/Walter_Sydney_Adams

Blobrana · L

Star Trek: "Elaan of Troyius" was broadcast December 20, 1968.
https://en.wikipedia.org/wiki/Elaan_of_Troyius

Spoiler

Blobrana · L

NGC 428 was discovered by German-British astronomer William Herschel on the 20th December 1786.
http://astronomy.activeboard.com/t55989012/ngc-428/

NGC 493 was discovered by German-British astronomer William Herschel on the 20th December 1786
http://astronomy.activeboard.com/t55988901/ngc-493/

NGC 1909 was probably discovered by William Herschel on the 20th December 1786
http://astronomy.activeboard.com/t62854088/ngc-1909/

NGC 2555 was discovered by German-British astronomer William Herschel on the 20th December 1784.
http://astronomy.activeboard.com/t55988809/ngc-2555/

Blobrana · L

The discovery of was COROT-2b was announced on 20 December 2007
http://en.wikipedia.org/wiki/COROT-2b

On 20 December 2011, the Kepler team announced the discovery of Earth-size exoplanets, Kepler-20e and Kepler-20f
https://en.wikipedia.org/wiki/Kepler-20#Planetary_system

Comet Giacobini-Zinner was discovered on December 20, 1900.
http://astronomy.activeboard.com/t46843994/comet-21pgiacobini-zinner/

The December Leonis Minorids have a radiant near the Leo/Coma Berenices border
http://astronomy.activeboard.com/t46843787/december-leonis-minorids/

Bright Meteor in North Carolina, December 20, 1893
http://astronomy.activeboard.com/t55989223/north-carolina-meteor-december-20-1893/

Blobrana · L

Meteorites

The Woolgorong (L6) meteorite fell in Western Australia, Australia, on the 20th December, 1960.
http://astronomy.activeboard.com/t46843661/woolgorong-meteorite/

The Tamdakht (H5) meteorite fell in Souss-Massa-Draâ, Morocco, on the 20th December 2008.
http://astronomy.activeboard.com/t55988436/tamdakht-meteorite/