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.
The largest-funded space agencies are:
| Country | Agency | Budget |
|---|---|---|
| United States | NASA | $17.3 billion |
| ESA (European Space Agency) | $4.260 billion | |
| France | CNES (French space agency) | $2.49 billion |
| Japan | JAXA (Japan Aerospace Exploration Agency) | $2.0 billion |
| Russia | RKA (Russian Federal Space Agency) | $1.4 billion |
| Germany | DLR (German Aerospace Center) | $1.242 billion |
| India | ISRO (Indian Space Research Organization) | $1.01 billion |
| Italy | ASI (Italian Space Agency) | $978 million |
| China | CNSA (Chinese National Space Administration) | $500 million |
| United Kingdom | UKSA (UK Space Agency) | $414 million [2] |
| Canada | CSA (Canadian Space Agency) | $321 million |
| Ukraine | NSAU (National Space Agency of Ukraine) | $250–300 million |
| Belgium | BELSPO (Belgian Federal Science Policy Office) | $230 million |
| Spain | INTA (National Institute of Aerospace Technology) | $175 million |
| Netherlands | SRON (Netherlands Institute for Space Research) | $160 million |
| South Korea | KARI (Korea Aerospace Research Institute) | $150 million |
| Brazil | AEB (Brazilian Space Agency) | $120 million |
| Switzerland | SSO (Swiss Space Office) | $110 million |
| Sweden | SNSB (Swedish National Space Board) | $100 million |
| Argentina | CONAE (National Space Activities Commission) | $96 million |
Lunar (the Moon)
Sun
Mercury
Venus
Mars
Outer solar system
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