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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 ...
Venus will be the cornerstone of multiple planetary alignments in 2025, the first of which will unfold on Friday, Jan. 17, as it shines side-by-side with Saturn.
Its orbit revealed that it was a new planet, Uranus, the first ever discovered telescopically. [20] Giuseppe Piazzi discovered Ceres in 1801, a small world between Mars and Jupiter. It was considered another planet, but after subsequent discoveries of other small worlds in the same region, it and the others were eventually reclassified as ...
Mars orbiter/attempted Phobos landers (contact lost) [288] [289] Magellan: 4 May 1989 Venus orbiter [290] [291] Galileo: 18 October 1989 Venus flyby, first Asteroid flyby , first Asteroid moon discovery , first Jupiter orbiter, first Jupiter atmospheric probe [292] [293] [294] [295]
Titan Saturn System Mission (TSSM) was a joint NASA–ESA proposal for an exploration of Saturn and its moons Titan and Enceladus, [1] where many complex phenomena were revealed by Cassini. TSSM was proposed to launch in 2020, get gravity assists from Earth and Venus , and arrive at the Saturn system in 2029.
DAVINCI (Deep Atmosphere Venus Investigation of Noble gases, Chemistry, and Imaging) is a planned mission for an orbiter and atmospheric probe to the planet Venus.Together with the separate VERITAS mission, which will also study Venus, it was selected by NASA on June 2, 2021 to be part of their Discovery Program.
The discoveries piqued further interest in the study and exploration of the red planet. Mars is a rocky planet, like Earth, that formed around the same time, yet with only half the diameter of Earth, and a thin atmosphere; it has a cold and desert-like surface. [10]
Ingenuity – A rotorcraft that flew as part of Mars 2020 in April 2021. CAESAR (spacecraft) – Proposed sample-return mission to a comet, other New Frontiers 4 finalist. Huygens – European reconnaissance lander sent to Saturn's moon Titan. Titan Saturn System Mission – Cancelled NASA/ESA mission concept to Saturn