From Wikipedia, the free encyclopedia
- For a more comprehensive list, see the List of space exploration topics.
Space exploration is the physical exploration of outer space by both manned and unmanned spacecraft. The development of large liquid-fueled rocket engines during the early 20th century allowed space exploration to become a practical possibility; it is distinct from the earth-based observation of outer space, known as astronomy, which has occurred for millenia. Basic topics in space exploration include:
[edit] Nature of space exploration
- Main article: Space exploration
[edit] Branches of space exploration
[edit] History of space exploration
- Main article: Timeline of space exploration
[edit] Basic space exploration concepts
[edit] Space exploration scholars
[edit] Leaders in space exploration
[edit] Space exploration lists
- Main article: List of space exploration topics
[edit] See also
[edit] External links
