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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 ...
In fact, through a telescope Venus at greatest elongation appears less than half full due to Schröter's effect first noticed in 1793 and shown in 1996 as due to its thick atmosphere. [15] [16] On rare occasions, Venus can actually be seen in both the morning (before sunrise) and evening (after sunset) on the same day.
c. 475 BCE – Parmenides is credited to be the first Greek who declared that the Earth is spherical and is situated in the centre of the universe, believed to have been the first to detect the identity of Hesperus, the evening-star, and Phosphorus, the morning-star (Venus), [13] and by some, the first to claim that moonlight is a reflection of ...
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 Venus soil samples. First sound recording of another world (Venus). USSR Venera 13: 10 June 1982 First spacecraft to conduct a deep survey of Earth's magnetic tail. USA (NASA) ISEE-3/ICE [35] 19 August 1982: First mixed gender crew aboard space station, and first woman, Svetlana Savitskaya, on space station. USSR Salyut 7: 1982
The timeline of the Universe lists events from its creation to its ultimate final state. For a timeline of the universe from the present to its presumed conclusion, see: Timeline of the far future Chronology of the universe
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
Missions to Venus constitute part of the exploration of Venus. The Soviet Union , followed by the United States , have soft landed probes on the surface. Venera 7 was the first lander overall and first for the Soviet Union, touching down on 15 December 1970.