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2 1960s. 3 1970s. 4 1980s. 5 1990s. 6 2000s. 7 2010s. ... First artificial object on Moon ... First probe to another planet; Venus flyby (contact lost before flyby)
Former planets of the Solar System Former planet Discovery Removal Current status Notes The Morning Star [NB 1]: Antiquity: Antiquity: Aspects of Venus "Phosphorus", the Morning Star of Greek antiquity (Eosphorus, the Dawn-Bringer; called "Lucifer" by the Romans), and "Hesperus", the Evening Star (called "Vesper" by the Romans), were later identified as a single planet, Venus (Aphrodite).
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 ...
Articles about astronomical objects discovered in 1960 in the parent category should be moved to this subcategory. This category is for astronomical objects discovered in 1960 . See parent category for proper sortkey usage instructions.
First flyby of an object beyond Neptune (Pluto and its moons). First flyby in the Kuiper belt. First flyby of a trans-neptunian object. Last original encounter with one of the nine major planets recognized before 2006. USA (NASA) New Horizons [69] 10 August 2015: First food grown in space eaten . USA (NASA) Japan (JAXA) International Space Station
Planets, brown dwarfs, stars (not to scale) The objects now called "brown dwarfs" were theorized by Shiv S. Kumar in the 1960s to exist and were originally called black dwarfs, [9] a classification for dark substellar objects floating freely in space that were not massive enough to sustain hydrogen fusion.
Counting them among the planets became increasingly cumbersome. Eventually, they were dropped from the planet list (as first suggested by Alexander von Humboldt in the early 1850s) and Herschel's coinage, "asteroids", gradually came into common use. [139] Since then, the region they occupy between Mars and Jupiter is known as the asteroid belt.
Kuiper-belt objects (KBOs) Plutinos. Orcus, a dwarf planet. Vanth; Pluto, a dwarf planet. Complete list of Pluto's natural satellites. Charon; Twotinos; Cubewanos (classical objects) Haumea, a dwarf planet. Namaka; Hiʻiaka; Quaoar, a dwarf planet. Weywot; Makemake, a dwarf planet (307261) 2002 MS 4; 120347 Salacia; 20000 Varuna; Scattered-disc ...