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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: Voyager 2: 20 August 1977 [2]
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 km (810 mi) from Neptune and 8,200 km (5,100 mi) from Triton. [5]
Voyager 2: Jupiter 20 August 1977 9 July 1979 689 days (1 yr, 10 mo, 20 d) Voyager 2 flew by Jupiter. [93] Saturn 5 August 1981 1447 days (3 yr, 11 mo, 17 d) Voyager 2 flew by Saturn. Uranus 24 January 1986 3080 days (8 yr, 5 mo, 5 d) Voyager 2 flew by Uranus and was the first spacecraft to visit it. Neptune 25 August 1989 4389 days (12 yr, 6 days)
[2] Night Probe 28.7°S 56.7°E: Survived impact and continued to transmit from the surface for 2 seconds. [2] North Probe 59.3°N 4.8°E: Signal lost upon impact. Large probe 4.4°N 304.0°E: Signal lost upon impact. Venera 12 lander: USSR: 21 December 1978: Soft landing; transmitted from surface for 110 minutes.
Neptune has long been known to have white clouds circling it, but images of the furthest planet in the solar system have shown this changing over time - the most recent image, taken by the Hubble ...
The timeline of discovery of Solar System planets and their natural satellites charts the progress of the discovery of new bodies over history. Each object is listed in chronological order of its discovery (multiple dates occur when the moments of imaging, observation, and publication differ), identified through its various designations (including temporary and permanent schemes), and the ...
The bright S/2002 N5 moon is 14 miles (23 kilometers) in diameter and takes nearly nine years to complete an orbit of Neptune, while faint S/2021 N1 is about 8.7 miles (14 kilometers) across and ...
Moon landing deniers say there's clear photographic evidence of this, and point out that because there's no breeze on the moon, this must be fake. Apollo 11astronaut Edwin Buzz Aldrin, on the Moon ...