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Entered orbit around 67P at 09:06 UTC on 6 August 2014. On 30 September 2016 mission ended in an attempt to slow land on the comet's surface near a 130 m (425 ft) wide pit called Deir el-Medina. Ariane 5G+ Philae: 2 March 2004: ESA / DLR Germany: 67P/Churyumov–Gerasimenko: Lander Successful: Carried by Rosetta.
Little is known of what people thought about comets before Aristotle, who observed his eponymous comet, and most of what is known comes secondhand.From cuneiform astronomical tablets, and works by Aristotle, Diodorus Siculus, Seneca, and one attributed to Plutarch but now thought to be Aetius, it is observed that ancient philosophers divided themselves into two main camps.
18.2 × 10.5 × 8.9 (12.2 km) 1916 Galileo: 1991 1,600: 262 Flyby; first asteroid visited by a spacecraft. 243 Ida: 56 × 24 × 21 (28 km) 1884 Galileo: 1993 2,390: 152 Flyby; discovered Dactyl; first asteroid with a moon visited by a spacecraft, largest asteroid visited by spacecraft at the time. 253 Mathilde: 66 × 48 × 46 (58 km) 1885 NEAR ...
List of missions to the Moon; List of missions to Venus; List of missions to Mars; List of Solar System probes; List of interplanetary voyages; List of space telescopes; New Frontiers program; Out of the Cradle – 1984 book about scientific speculation on future missions. Space Race; Timeline of artificial satellites and space probes
The Mars Express mission carries a ground-penetrating radar. [60] Jupiter system – Survey of moon Europa. [61] Saturn system – Rings and Titan from Arecibo Observatory. Mapping of Titan's surface and observations of other moons from the Cassini spacecraft. [62] As Venus, Titan also possesses an opaque atmosphere.
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The mission was launched on 23 October 2014 with the Chinese Chang'e 5-T1 test spacecraft, attached to the upper stage of a Long March 3C/G2 rocket. [71] [72] The 4M spacecraft made a Moon flyby on a night of October 28, 2014, after which it entered elliptical Earth orbit, exceeding its designed lifetime by four times. [73] [74]
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