13 February
1852: On 13 February 1852, Johan Ludvig Emil Dreyer was born.
02 HELMI. 2005
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Katselukerrat
1898: On 14 February 1898, Fritz Zwicky was born.
Zwicky was a Swiss astronomer and physicist, who made valuable contributions to the theory and understanding of supernovas. Supernovas are exploding stars that for a short time are far brighter than normal.
Mediamodaali
12 February
1893: On 12 February 1893, Marcel Gilles Jozef Minnaert was born.
11 February
1997: On 11 February 1997, the NASA/ESA Hubble Space Telescope was set to have its scientific capabilities upgraded by a shuttle servicing mission.
10 February
1720: On 10 February 1720, Edmund Halley was appointed second Astronomer Royal of England.
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