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The European Space Agency's Columbus Module at the International Space Station, launched into space on the U.S. Space Shuttle mission STS-122 in 2008.
The following outline is provided as an overview of and topical guide to space exploration:
Space exploration – use of astronomy and space technology to explore outer space.[1] Physical exploration of space is conducted both by human spaceflights and by robotic spacecraft.
Essence of space exploration
Branches of space exploration
History of space exploration
- Exploration of the Moon
- Exploration of Mercury
- Exploration of Venus
- Remote sensing of Earth
- Exploration of Mars
- Exploration of Jupiter
- Exploration of Saturn
- Exploration of Uranus
- Exploration of Neptune
- History of human spaceflight
- List of human spaceflights
- Spaceflight records
- Project Gemini
- Project Mercury
- Timeline of artificial satellites and space probes
- Timeline of astronauts by nationality
- Timeline of Earth science satellites
- Timeline of first orbital launches by country
- Timeline of rocket and missile technology
- Timeline of space exploration
- Timeline of Space Shuttle missions
- Timeline of space travel by nationality
- Timeline of spaceflight
- Timeline of the Space Race
- Timeline of Solar System exploration
Current space exploration
Space agencies
The largest-funded space agencies are:| Country | Agency | Annual Budget |
|---|---|---|
 United States |
NASA | $17.3 billion[citation needed] |
                  |
ESA (European Space Agency) | $4.260 billion[citation needed] |
| France |
CNES (French space agency) | $2.49 billion[citation needed] |
 Japan |
JAXA (Japan Aerospace Exploration Agency) | $2.0 billion[citation needed] |
 Russia |
RKA (Russian Federal Space Agency) | $1.4 billion[citation needed] |
| Germany |
DLR (German Aerospace Center) | $1.242 billion[citation needed] |
 India |
ISRO (Indian Space Research Organization) | $1.01 billion[citation needed] |
| Italy |
ASI (Italian Space Agency) | $978 million[citation needed] |
 China |
CNSA (Chinese National Space Administration) | $500 million[citation needed] |
| United Kingdom |
UKSA (UK Space Agency) | $414 million [2] |
 Canada |
CSA (Canadian Space Agency) | $321 million[citation needed] |
 Ukraine |
NSAU (National Space Agency of Ukraine) | $250–300 million[citation needed] |
| Belgium |
BELSPO (Belgian Federal Science Policy Office) | $230 million[citation needed] |
| Spain |
INTA (National Institute of Aerospace Technology) | $175 million[citation needed] |
| Netherlands |
SRON (Netherlands Institute for Space Research) | $160 million[citation needed] |
 South Korea |
KARI (Korea Aerospace Research Institute) | $150 million[citation needed] |
 Brazil |
AEB (Brazilian Space Agency) | $120 million[citation needed] |
| Switzerland |
SSO (Swiss Space Office) | $110 million[citation needed] |
| Sweden |
SNSB (Swedish National Space Board) | $100 million[citation needed] |
 Argentina |
CONAE (National Space Activities Commission) | $96 million[citation needed] |
Active space missions
- International Space Station
- Mars Express – ESA satellite orbitting Mars
- Mars Reconnaissance Orbiter (NASA)
- Mars Exploration Rover (NASA)
- MESSENGER – NASA probe to Mercury launched in 2004
- Hayabusa (JAXA) – unmanned space mission to asteroid
- New Horizons – probe to Pluto
- Rosetta – ESA mission to Comet 67P/Churyumov-Gerasimenko
- Venus Express – ESA satellite orbiting Venus
- Mars Science Laboratory – NASA rover to Mars launched in November 2011
Future of space exploration
Lunar (the Moon)Sun
Mercury
Venus
Mars
Outer Solar System
Beyond the Solar System
General space exploration concepts
- Astronaut
- Non-rocket spacelaunch
- Space and survival
- Spacecraft
- Spaceflight
- Space exploration
- Space research
- Space science
Space exploration scholars
Leaders in space exploration
- Neil Armstrong – first man to walk on the Moon
- Yuri Gagarin – first man to orbit the Earth
- John Glenn – oldest man in orbit
Space exploration lists
- ISS assembly sequence
- Landings on other planets
- Space Shuttle crews
- List of Apollo astronauts
- List of Apollo missions
- List of Atlas V launches
- List of Constellation missions
- List of Cosmos satellites
- List of Delta II launches
- List of Delta IV launches
- List of Earth observation satellites
- List of ISS spacewalks
- List of International Space Station Expeditions
- List of International Space Station visitors
- List of Long March rocket launches
- List of Mir Expeditions
- List of Mir spacewalks
- List of spacecraft and crews that visited Mir
- List of NASA missions
- List of Proton launches
- List of R-7 launches
- List of Russian manned space missions
- List of Solar System probes
- List of Soviet manned space missions
- List of Space Shuttle crews
- List of V-2 test launches
- List of artificial objects on extra-terrestrial surfaces
- List of astronauts by name
- List of astronauts by selection
- List of communication satellite companies
- List of communications satellite firsts
- List of cumulative spacewalk records
- List of human spaceflight programs
- List of human spaceflights
- List of interplanetary voyages
- List of launch vehicles
- List of manned spacecraft
- List of manned spaceflights to the ISS
- List of objects at Lagrangian points
- List of private spaceflight companies
- List of probes by operational status
- List of rockets
- List of satellites in geosynchronous orbit
- List of satellites which have provided data on Earth's magnetosphere
- List of space agencies
- List of space exploration milestones, 1957-1969
- List of space shuttle missions
- List of space travelers by name
- List of space travelers by nationality
- List of spacecraft manufacturers
- List of spaceflight records
- List of spaceports
- List of spacewalks and moonwalks
- List of the largest fixed satellite operators
- List of unmanned spacecraft by program
- List of unmanned spaceflights to the ISS
