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Space Exploration Events
Date Event leading to space exploration Country Researcher(s)
1610 First telescopic observation of the night sky: discovery of Jupiter's moons, lunar craters and the phases of Venus. Republic of Venice Galileo Galilei
1687 Publication of the Philosophiæ Naturalis Principia Mathematica England Sir Isaac Newton
1813 First exposition of the rocket equation based on Newton's third law of motion: Treatise on the Motion of Rockets UK William Moore
1840 First clear telescopic photograph of another world: the Moon. United States John William Draper
1865 From the Earth to the Moon published. France Jules Verne
1898 The War of the Worlds published. This inspired Robert Goddard to investigate rocketry. UK H. G. Wells
1903 Inspired by the writings of Jules Verne, first serious work published that showed physical space exploration was theoretically possible: Исследование мировых пространств реактивными приборами (The Exploration of Cosmic Space by Means of Reaction Devices) Russia Konstantin Tsiolkovsky
1914 Goddard files for and is subsequently awarded U.S. patents on multistage and liquid-fueled rockets United States Robert H. Goddard
1919 Goddard's widely influential paper "A Method of Reaching Extreme Altitudes" discussed solid- and liquid-fueled rocketry United States Robert H. Goddard
12/15/1923 Die Rakete zu den Planetenräumen ("By Rocket into Planetary Space") self-published after its rejection as a doctoral thesis. Germany Hermann Oberth
1924 Society for Studies of Interplanetary Travel founded USSR Members include Konstantin Tsiolkovsky, Friedrich Zander, Yuri Kondratyuk
3/16/1926 Goddard launches the first liquid-fueled rocket United States Robert H. Goddard
1927 Verein für Raumschiffahrt (Society for Space Travel) formed; it includes many top European rocket scientists. Germany
1927 Завоевание межпланетных пространств (The Conquest of Interplanetary Space) discusses rocket mechanics and orbital effects including the gravitational slingshot USSR Yuri Kondratyuk
1928 Das Problem der Befahrung des Weltraums – der Raketen-Motor (The Problem of Space Travel – The Rocket Motor) discusses space travel and its potential uses for scientific experiments. Germany Herman Potočnik
1929 Oberth, with students including Wernher von Braun, launches his first liquid-fueled rocket Germany Hermann Oberth
1931 First German military liquid-fueled rocket engines developed Germany Walter Riedel
1933 Work begins on the Aggregate series of rockets which leads to the V-2 rocket. Germany Wernher von Braun
Group for the Study of Reactive Motion (GIRD) launches the first Soviet liquid-fueled rocket USSR Sergey Korolev (group leader), Friedrich Zander (designer)
1935 Graduate student Frank Malina under his professor Theodore von Kármán begins work on a sounding rocket United States Frank Malina
11/11/1935 The Explorer II balloon takes two people to 22,066 metres (72,395 ft), where they observe and photograph the curvature of the Earth. United States Albert W. Stevens and Orvil A. Anderson
6/20/1944 V-2 Rocket (MW 18014): First man-made object to cross what would later be defined as the Kármán line and hence first spaceflight in history. Germany Wehrmacht
5/10/1946 First space research flight (cosmic radiation experiments) United States captured and improved V-2rocket
5/22/1946 First U.S.-designed rocket to reach edge of space (80 km (49 mi)) United States WAC Corporal
10/24/1946 First pictures of Earth from 105 km (65 mi) [1][2] United States V-2
2/20/1947 First animals in space (fruit flies) [1][3] United States V-2
3/5/1948 The independently developed fully American made Aerobee sounding rocket passes the Karman line at 73 miles (117.5 km). Launched from White Sands, the sub-orbital space flight carries scientific instruments to study the effects of cosmic radiation. United States Aerobee RTV-N-8[4]
2/24/1949 America mounts a WAC Corporal missile onto a V-2 rocket and produces a two-stage rocket that sets a record altitude of 244 miles (392.68 kilometers). United States Bumper-5 launch
7/22/1951 First dogs in space (Dezik and Tsygan) [5] USSR R-1
9/20/1956 The three-stage Jupiter-C debut achieves an altitude of 682 miles. Wernher von Braun is forced to deactivate and ballast the fourth stage with sand to prevent an "accidental" satellite launch. The stigma of his past dealings along with President Eisenhower's belief that America's space program should not have military ties leads to the rejection of the Project Orbiter proposal in favor of the less developed Project Vanguard (a fateful decision that will have major ramifications). United States Jupiter-C (launch 1)
8/21/1957 First intercontinental ballistic missile (ICBM) USSR R-7 Semyorka/SS-6 Sapwood
10/4/1957 First artificial satellite First signals from space USSR Sputnik 1
11/3/1957 First animal in orbit, the dog Laika USSR Sputnik 2
1/31/1958 Confirmed the existence of the Van Allen belts USA (ABMA) Explorer 1
1/2/1959 First firing of a rocket in Earth orbit First reaching Earth escape velocity or Trans Lunar Injection First detection of solar wind USSR Luna 1
1/4/1959 First artificial satellite to reach the Moon vicinity and first artificial satellite in heliocentric orbit USSR Luna 1
8/7/1959 First photograph of Earth from orbit USA (NASA) Explorer 6
9/13/1959 First impact into another world (the Moon) First delivery of national (USSR) pennants to a celestial body USSR Luna 2
10/4/1959 First photos of another world from space: The far side of the Moon USSR Luna 3
3/1/1960 First solar probe. USA (NASA) Pioneer 5
8/19/1960 First plants and animals to return alive from Earth orbit USSR Sputnik 5
10/10/1960 First probe launched to Mars (failed to reach target) USSR Mars 1M
1/31/1961 First Hominidae in space, first tasks performed in space; Ham (chimpanzee). USA (NASA) M-R 2
2/12/1961 First launch from Earth orbit of upper stage into a heliocentric orbit First mid-course corrections First spin-stabilisation USSR Venera 1
4/12/1961 First human spaceflight (Yuri Gagarin) First human-crewed orbital flight USSR Vostok 1
5/5/1961 First human-piloted space flight (Alan Shepard) First human-crewed suborbital flight First human space mission that landed with pilot still in spacecraft, thus the first complete human spaceflight by FAIdefinitions.[6] USA Freedom 7
5/19/1961 First planetary flyby (within 100,000 km of Venus – no data returned) USSR Venera 1
3/7/1962 First orbital solar observatory USA (NASA) OSO-1
4/26/1962 First spacecraft to impact the far side of the Moon[7] USA (NASA) Ranger 4
11/1/1962 First Mars flyby (11,000 km) but contact was lost USSR Mars 1
12/14/1962 First successful planetary flyby (Venus closest approach 34,773 kilometers) USA (NASA) Mariner 2
6/16/1963 First woman in space (Valentina Tereshkova) USSR Vostok 6
7/19/1963 First reusable crewed spacecraft (suborbital) USA (NASA) X-15 Flight 90
3/18/1965 First extra-vehicular activity (Alexei Leonov) USSR Voskhod 2
3/1/1965 First crewed spacecraft to change orbit USA (NASA) Gemini 3
7/14/1965 First Mars flyby (closest approach 9,846 kilometers; returned pictures) USA (NASA) Mariner 4
7/14/1965 First close-up photographs of another planet: Mars USA (NASA) Mariner 4
12/15/1965 First orbital rendezvous (parallel flight, no docking) USA (NASA) Gemini 6A/Gemini 7
2/3/1966 First soft landing on another world (the Moon) First photos from another world USSR Luna 9
3/1/1966 First impact into another planet (Venus) USSR Venera 3
3/16/1966 First orbital docking between two spacecraft USA (NASA) Gemini 8/Agena target vehicle
4/3/1966 First artificial satellite around another world (the Moon) USSR Luna 10
8/1/1966 First probe to map the Moon USA Lunar Orbiter 1
10/30/1967 First automated (crewless) docking USSR Cosmos 186/Cosmos 188
9/1/1968 First animals and plants to orbit the Moon, and the first to return safely to Earth USSR Zond 5
12/7/1968 First orbital ultraviolet observatory USA (NASA) OAO-2
12/21/1968 First piloted orbital mission of another celestial body (Moon), First Trans-Earth injection First human space mission to escape Earth's influence (25 December) USA (NASA) Apollo 8
1/1/1969 First docking between two crewed spacecraft in Earth orbit, also the first crew exchange in space USSR Soyuz 4 and Soyuz 5
1/1/1969 First to parachute in Venus's atmosphere, lost contact before landing. USSR Venera 5
7/20/1969 First human on the Moon, and first space launch from a celestial body other than the Earth First sample return from the Moon USA (NASA) Apollo 11
8/4/1969 First photograph of Phobos from Space USA (NASA) Mariner 7
11/19/1969 First rendezvous on the surface of a celestial body USA (NASA) Apollo 12/Surveyor 3
9/24/1970 First automatic sample return from the Moon USSR Luna 16
11/17/1970 First lunar rover USSR Lunokhod 1
12/12/1970 First X-ray orbital observatory USA (NASA) Uhuru (satellite)
12/15/1970 First soft landing on another planet (Venus) First signals from another planet USSR Venera 7
4/19/1971 First space station USSR Salyut 1
6/1/1971 First Manned orbital observatory USSR Orion 1
11/14/1971 First to maintain orbit around another planet (Mars) USA (NASA) Mariner 9
11/27/1971 First impact into Mars USSR Mars 2
12/2/1971 First soft Mars landing First signals from Mars surface USSR Mars 3
3/3/1972 First human made object sent on escape trajectory away from the Sun USA (NASA) Pioneer 10
7/15/1972 First mission to enter the asteroid belt and leave inner Solar System USA (NASA) Pioneer 10
11/15/1972 First orbital gamma ray observatory USA (NASA) SAS 2
12/3/1973 First Jupiter flyby (at 130,000 km) USA (NASA) Pioneer 10
2/5/1974 Venus flyby at 5768 kilometers, first gravitational assist manoeuvreFirst photograph of Venus from Space USA (NASA) Mariner 10
3/29/1974 First Mercury flyby at 703 kilometers USA (NASA) Mariner 10
7/15/1975 First multinational manned mission USSR USA (NASA) Apollo-Soyuz Test Project
10/20/1975 First orbit around Venus USSR Venera 9
10/22/1975 First photos from the surface of another planet (Venus) USSR Venera 9
4/17/1976 Closest flyby of the Sun (43.432 million kilometers) Maximum speed record among spacecraft (252,792 km/h) USA (NASA) West Germany(DFVLR) Helios 2
7/20/1976 First photos and soil samples from the surface of Mars USA (NASA) Viking Lander
1/26/1978 First real time remotely operated ultraviolet orbital observatory USA (NASA) ESA UK(SERC) International Ultraviolet Explorer
12/4/1978 First extended (multi-year) orbital exploration of Venus from 1978 to 1992 USA (NASA) Pioneer Venus Orbiter
3/5/1979 Jupiter flyby (closest approach 349,000 km) encounters with Five Jovian moons, discovery of volcanism on Io USA (NASA) Voyager 1
9/1/1979 First Saturn flyby at 21,000 km, first photographs of Titan from Space USA (NASA) Pioneer 11
11/12/1980 Saturn flyby (closest approach 124,000 kilometers), close encounter of Titan and encounters with a dozen others. USA (NASA) Voyager 1
4/12/1981 First Reusable manned spacecraft (orbital) USA (NASA) STS-1
3/1/1982 First Venus soil samples and sound recording of another world USSR Venera 13
1/25/1983 First Infrared orbital observatory USA (NASA) UK (SERC) Netherlands(NIVR) IRAS
6/13/1983 First spacecraft beyond the orbit of Neptune (first spacecraft to pass beyond all Solar System planets) USA (NASA) Pioneer 10
2/7/1984 First untethered spacewalk, Bruce McCandless II USA (NASA) STS-41-B
1/24/1986 First Uranus flyby (closest approach 81,500 kilometers (44,000 nmi) USA (NASA) Voyager 2
1/28/1986 First major American space loss, the Space Shuttle Challenger disaster, an explosion soon after liftoff which killed, among others, Christa McAuliffe, a high school teacher USA (NASA) STS-51-L
2/19/1986 First consistently inhabited long-term research space station USSR Mir
8/8/1989 First astrometric satellite ESA Hipparcos
8/25/1989 First Neptune flyby (closest approach at 29,240 km) USA (NASA) Voyager 2
11/18/1989 First orbital cosmic microwave observatory USA (NASA) COBE
2/14/1990 First photograph of the whole Solar System[8] USA (NASA) Voyager 1
4/24/1990 Optical orbital observatory USA (NASA) ESA Hubble Space Telescope
9/15/1990 Extended (multi-year) orbital exploration of Venus USA (NASA) Magellan
10/21/1991 First asteroid flyby (951 Gaspra closest approach 1,600 kilometers) USA (NASA) Galileo
2/8/1992 First polar orbit around the Sun USA (NASA) ESA Ulysses
3/22/1995 Record longest duration spaceflight (437.7 days) set by Valeri Polyakov Russia (FKA) Mir
12/7/1995 First orbit of Jupiter USA (NASA) Galileo
12/7/1995 First mission into the atmosphere of a gas giant (Jupiter) USA (NASA) Galileo's atmospheric entry probe
2/12/1997 First orbital radio observatory Japan (ISAS) HALCA
7/4/1997 First operational rover on another planet (Mars) USA (NASA) Mars Pathfinder
11/20/1998 First multinational space station, Largest man-made object built in space to date Russia(FKA) USA (NASA) Europe (ESA) Japan (JAXA) Canada (CSA) International Space Station
2/14/2000 First orbiting of an asteroid (433 Eros) USA (NASA) ESA NEAR Shoemaker
2/12/2001 First landing on an asteroid (433 Eros) USA (NASA) NEAR Shoemaker
7/1/2004 First orbit of Saturn USA (NASA) ESA Italy (ASI) Cassini–Huygens
9/8/2004 First sample return beyond lunar orbit (solar wind) USA (NASA) Genesis
1/14/2005 First soft landing on Titan ESA USA (NASA) Italy (ASI) Cassini–Huygens
11/19/2005 First asteroid ascent (25143 Itokawa) First interplanetary escape without undercarriage cutoff Japan (JAXA) Hayabusa
1/15/2006 First sample return from comet (81P/Wild) USA (NASA) Stardust
3/6/2009 Kepler Mission is launched, first space telescope designated to search for Earth-like exoplanets[9] USA (NASA) Kepler Mission
6/13/2010 First sample return from asteroid (25143 Itokawa) Japan (JAXA) Hayabusa
3/18/2011 First orbit of Mercury USA (NASA) MESSENGER
7/16/2011 First orbit of giant asteroid Vesta USA (NASA) Dawn
8/25/2012 First manmade probe in interstellar space. USA (NASA) Voyager 1
11/12/2014 First man-made probe to make a planned and soft landing on a comet (67P/Churyumov–Gerasimenko).[10] ESA Rosetta
3/6/2015 First orbit of dwarf planet (Ceres). First spacecraft to orbit two separate celestial bodies. USA (NASA) Dawn
7/1/2015 First flyby of dwarf planet (Pluto). Last original encounter with one of the nine major planets recognized in 1981. USA (NASA) New Horizons
8/10/2015 Lettuce was the first food eaten that was grown in space.[11] USA (NASA) Japan (JAXA) International Space Station
12/21/2015 The first propulsive landing for an orbital rocket. USA (SpaceX) Falcon 9 first-stage landing tests
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