7P/Pons–Winnecke
Videos
7P/Pons–Winnecke is a Jupiter-family comet roughly 5 km in diameter that takes six-years to orbit the Sun. The next perihelion passage is 25 August 2027 when the comet will have a solar elongation of
An illustration of Pons–Winnecke approaching the Earth in 1921.
Mariner 5
Hyakutake Color
Mariner 4
Videos
Mariner 4 was the fourth in a series of spacecraft intended for planetary exploration in a flyby mode. It was designed to conduct closeup scientific observations of Mars and to transmit these observat
7P/Pons–Winnecke
…reached magnitude -20 and -9 in July 2008 and July 2009 respectively. The Jet Propulsion Laboratory proposed a flyby of the comet with a flight spare of Mariner 4 with the closest approach taking place in 1969 at a distance of 5,000 km (3,100 mi). However, the intrinsically faint comet's ephemeris was poorly…
Mariner 4 1304 1964novembemariner 4
Mariner 3 and 4 diagram
Mariner 4 is prepared for a weight test on November 1, 1963
Mariner 4 TV Camera Scan Platform