11 December
1972: On 11 December 1972, Apollo 17 astronauts Gene Cernan and Harrison Schmitt landed on the Moon for a three-day exploration.This would be the final Apollo mission to the Moon.
31 DÉC. 2003
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1871: On 12 December 1871, French astronomer Jules Janssen made spectroscopic observations of an eclipse in India.
The observation confirmed his own theory that the corona, normally only visible during a solar eclipse, is a physical part of the Sun and is composed of both hot gases and cooler particles.
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10 December
1999: On 10 December 1999, ESA's XMM-Newton mission was launched.XMM-Newton can detect more X-ray sources than any previous satellite and is helping to solve many cosmic mysteries of the violent ...
9 December
1978: On 9 December 1978, NASA's Pioneer Venus Multiprobe (PVM) entered the atmosphere of Venus.PVM consisted of a 'bus', a vehicle which carried one large and three small atmospheric probes. ...
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