27 HELMI. 2004
Julkaisupäivä
1206
Katselukerrat
1611: On 28 January 1611, Johannes Hevelius was born.
Hevelius was a German astronomer, who established his own observatory on the rooftops of several houses in Leiden, the Netherlands.
From four years' telescopic study of the Moon, using telescopes of long focal power, Hevelius compiled an atlas of the Moon with some of the earliest detailed maps. A few of his names for lunar mountains (e.g., the Alps) are still in use, and a lunar crater is named for him.
Mediamodaali
26 January
1978: On 26 January 1978, ESA launched IUE, the world's longest-lived and most productive satellite.
25 January
1736: On 25 January 1736, Joseph Louis Lagrange was born in Turin, Italy.
24 January
1986: On 24 January 1986, NASA's Voyager 2 performed a fly-by of Uranus.
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