22 January
2004: On 22 January 2004, ESA reported that the NASA/ESA Hubble Space Telescope had measured the size, shape and rotational period of the Rosetta mission's target, comet 67P/Churyumov-Gerasimenko.
27 FEB. 2004
Publicatiedatum
1698
Weergaven
1930: On 23 January 1930, Clyde Tombaugh photographed the planet Pluto.
Tombaugh had first photographed Pluto, while searching for the planet in the Delta Geminorum region, on 21 January 1930. Strong winds on the night moved the telescope and blurred the image.
He made further exposures on 23 January and 29 January. On checking them on 18 February 1930, the planet Pluto was seen on these photographic plates.
Mediamodaal
21 January
1908: On 21 January 1908, Bengt Strömgren was born in Copenhagen, Denmark.
19 January
1747: On 19 January 1747, Johann Elert Bode was born in Hamburg, Germany.
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