How physics applies to a particular activity in space or to getting to and from space.
A branch of science that deals with all matter and energy. Physics includes mechanics, heat, light and other radiation, sound, electricity, magnetism, the structure of atoms, and more.
|
created |
11 years ago |
|
viewed |
11 times |
|
active |
1 year, 4 months ago |
|
editors |
1 |
