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| physical phenomena |
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| physical phenomena | is a kind of kbTop |  |
Kinds of physical phenomena :
- energy sink (3 kinds, 6 facts)
- energy source (23 kinds, 122 facts)
- event (186 kinds, 607 facts) (world point) - A point in four-dimensional spacetime referenced by three spatial coordinates and a complementary temporal ordinate.
- force (5 kinds, 50 facts)
- process (257 kinds, 811 facts)
Astronomy View all facts Glossary Help