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Voyager 2 started taking navigation images of Neptune in May 1988. [3] Voyager 2 's observation phase proper of Neptune began 5 June 1989, the spacecraft officially reached the Neptunian system on 25 August, and data collection ceased on 2 October. [4] Initially it was planned to use a trajectory that resulted in Voyager 2 passing around 1,300 ...
2 Pioneer 11: Pioneer 11: 6 April 1973 [2] Atlas SLV-3D Centaur-D1A [3] NASA: Flyby Successful [6] Closest approach towards Jupiter at 05:22 UTC on 3 December 1974. Flew by Callisto, Ganymede, Io and Europa . First probe to reach Saturnian system. Final contact was roughly at a distance of 6.5 billion km (43 AU; 4.0 billion mi) [7] 3 Voyager 2 ...
The Great Dark Spot in exaggerated color as seen from Voyager 2. The Great Dark Spot (also known as GDS-89, for Great Dark Spot, 1989) was one of a series of dark spots on Neptune similar in appearance to Jupiter's Great Red Spot. In 1989, GDS-89 was the first Great Dark Spot on Neptune to be observed by NASA's Voyager 2 space probe.
Astronomers have used telescope data to color-correct Voyager 2 images of Neptune and Uranus, revealing that the planets have a similar greenish blue hue. Color-corrected images reveal accurate ...
New York will have the best view of the event on Feb. 25, Star Walk said. In other parts of the world, the phenomenon will be best visible in early March. Worldwide, the best day to see the ...
It has a methane, nitrogen and carbon monoxide atmosphere and a surface temperature of minus 378 to minus 396 degrees, too cold to sustain life. NASA sent its probe New Horizons on a flyby in 2015.
(4 months) Vladimir Kovalyonok, Aleksandr Ivanchenkov: Salyut 6 EO-2, Soyuz 29-Soyuz 31: USSR 15 June 1978 – 2 November 1978 People in orbit 26 weeks (6 months) Leonid Popov, Valery Ryumin: Salyut 6 EO-4, Soyuz 35-Soyuz 37: USSR 9 April 1980 – 11 October 1980 Spaceflight (orbital) by winged spacecraft; Spaceflight (orbital) of a reusable ...
(6 months, 24 days) Continuing mission. Contact with Beagle 2 was lost after entering Mars' atmosphere on 25 December 2003. [58] MER-A Spirit rover: Mars 10 June 2003 4 January 2004 landed: 209 days (6 months, 26 days) Last contact on 22 March 2010. [59] MER-B Opportunity rover: Mars 7 July 2003 25 January 2004 landed: 203 days (6 months, 19 days)