18 October
2000: On 18 October 2000, new solar panels for the NASA/ESA Hubble Space Telescope (HST) arrived to be tested at the European Space Agency's ESTEC facility in Noordwijk, the Netherlands. ...
27 ΦΕΒ. 2004
Ημερομηνία δημοσίευσης
1868
Προβολές
1910: On 19 October 1910, Subrahmanyan Chandrasekhar was born.
Chandrasekhar was an Indian-born American astrophysicist who (with William A. Fowler) won the 1983 Nobel Prize for Physics for formulating the currently accepted theory on the later evolutionary stages of massive stars.
He was one of the first scientists to combine the disciplines of physics and astronomy. Early in his career he demonstrated that there is an upper limit, now called the 'Chandrasekhar limit', to the mass of a 'white dwarf' star.
A white dwarf is the last stage in the evolution of a star such as the Sun. When the nuclear energy source in the centre of a star such as the Sun is exhausted, it collapses to form a white dwarf. It shows that stars much more massive than the Sun must either explode or form black holes.
Παράθυρο πολυμέσων
17 October
2002: On 17 October 2002, ESA launched the Integral mission. Integral is the first space observatory that can simultaneously observe objects in gamma rays, X-rays, and visible light. Its principal ...
16 October
2002: On 16 October 2002, the countdown for the launch of the Integral mission started at 22:41 GMT in ESOC, ESA's mission control centre in Darmstadt, Germany. To make the ...
15 October
1997: On 15 October 1997, the joint NASA/ESA/ASI Cassini-Huygens mission was launched. It was the first spacecraft sent to land on a world in the outer Solar System - on ...
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