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The International Astronomical Union (IAU) eventually started officially approving names in the late 1970s. With the explosion of discoveries in the 21st century, new moons have once again started to be left unnamed even after their numbering, beginning with Jupiter LI and Jupiter LII in 2010.
17 August 1970 First Venus lander and the first spacecraft to "soft" land on another planet (with some data returned from the surface) [18] [161] [162] Luna 16: 12 September 1970 First robotic lunar sample return [10] [163] Zond 8: 20 October 1970 Lunar flyby and return to Earth [46] [164] [165] Luna 17/Lunokhod 1: 10 November 1970 First remote ...
Eventually, new moons were discovered also around Uranus starting in 1787 by Herschel, [23] around Neptune starting in 1846 by William Lassell [24] and around Mars in 1877 by Asaph Hall. [25] Further apparent discrepancies in the orbits of the outer planets led Percival Lowell to conclude that yet another planet, "Planet X", must lie beyond ...
14 April 1970: Farthest distance from Earth traveled by humans. USA (NASA) Apollo 13 [25] [note 1] 24 September 1970: First automatic sample return from the Moon. USSR Luna 16: 17 November 1970: First rover on another celestial body (the Moon). First lunar rover. USSR Lunokhod 1: 12 December 1970: First X-ray orbital observatory. USA (NASA ...
The new discovery increases the moons orbiting the "jewel of our solar system" to 82, surpassing Jupiter
Aristarchus' 3rd century BC calculations on the relative sizes of the Sun, Earth, and Moon, from a 10th-century AD Greek copy Around 280 BCE, Aristarchus of Samos offers the first definite discussion of the possibility of a heliocentric cosmos , [ 39 ] and uses the size of the Earth's shadow on the Moon to estimate the Moon's orbital radius at ...
There are 293 confirmed moons in our cosmic neighborhood. By studying these worlds, astronomers hope to learn about ancient asteroid collisions, space volcanoes, and the origins of life itself.
Moon of Pluto: When discovered, Charon, the moon of Pluto, was found to be very large, leading to the declaration by many that the Pluto-Charon system was a double planet (binary planet). The 2006 IAU redefinition of planet excludes the possibility of double planets. [24] [25] [26] 15760 Albion: 1992 unknown Trans-Neptunian object