25 February
1616: On 25 February 1616, Galileo renounced his theory that Earth orbits the Sun.
02 FEAB. 2005
Dáta foilsithe
1975
Amhairc
1966: On 26 February 1966, the first Saturn 1B rocket was launched.
It was launched from Cape Canaveral, USA, on an unmanned suborbital test flight in the Apollo moon programme.
The mission demonstrated the structural integrity of the Saturn rocket and the compatibility of the launch vehicle to carry Apollo loads. It tested the separation of the first and second stages of the rocket and also the operations of Saturn's propulsion, guidance, control and electrical subsystems.
The Apollo manned missions were eventually launched by Saturn V rockets.
Modh meán
24 February
1968: On 24 February 1968, the journal Nature carried the announcement of the discovery of pulsars.
23 February
2004: On 23 February 2004, the final pre-launch activity on the ESA Rosetta spacecraft took place.
22 February
1824: On 22 February 1824, Pierre Jules-César Janssen was born.
Comhroinn an leathanach seo
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