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This is a timeline of Solar System exploration ordering events in the exploration of the Solar System by date of spacecraft launch. It includes: It includes: All spacecraft that have left Earth orbit for the purposes of Solar System exploration (or were launched with that intention but failed), including lunar probes .
Date is the date of: closest encounter (flybys) ... launch failure MARS69A: Mars 1969B: USSR 2 April 1969 (launch) ... now in the outer regions of the Solar System ...
Launch date: January 19, 2006, ... While in the inner Solar System, ... On April 7, 2006, the spacecraft passed the orbit of Mars, moving at roughly 21 km/s (76,000 ...
First spacecraft to impact another planet (Mars). USSR Mars 2: 2 December 1971: First soft landing on Mars. First signals from Martian surface. First photograph from Martian surface. USSR Mars 3: 3 March 1972: First spacecraft on a trajectory out of the solar system. First spacecraft to use all-nuclear electrical power (SNAP-19 RTGs). USA (NASA ...
Humanity's first object to attain Solar system's escape velocity. First probe to traverse the asteroid belt, to reach Jovanian system, to use a gravity assist and to leave the proximity of Solar systems' planets. Held the record for fastest human-made object at the time and the most distant one until Voyager 1 overtook in 1998.
First lander to impact Mars. Deployed from Mars 2, failed to land during attempt on 27 November 1971. [7] PrOP-M: Rover Failure Lost with Mars 2: First rover launched to Mars. Lost when the Mars 2 lander crashed into the surface of Mars. 16 Mars 3: Mars 3 (4M No.172) 28 May 1971 Soviet Union: Orbiter Successful
An expansion of humanity across the solar system will provide our civilization with a sense of purpose and dynamism that would benefit future generations beyond evaluation.
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 ...