Astronomy & Space Word of The Day
geosynchronous orbit: A direct, circular, low inclination orbit in which the satellite's orbital velocity is matched to the rotational velocity of the planet; a spacecraft appears to hang motionless above one position of the planet's surface. In other words, the satellite and planet move at the exactly the same speed.
1695: Christisn Huygens died in The Hague, Netherlands.
1994: Hubble Space Telescope - USA & Europe Telescope photographed the collision of Comet Shoemaker-Levy 9 with Jupiter.
1999: Deep Space 1 (DS1) - USA Asteroid and Comet Flyby - (launched 24 October 1998) flew by the Mars-crossing near-Earth asteroid 9969 Braille. The Deep Space 1 (DS1) is the first of a series of technology demonstration probes being developed by NASA's New Millennium Program. It again flew by comet Borrelly in September 2001.