click below
click below
Normal Size Small Size show me how
space 2
Term | Definition |
---|---|
gravity | a force of attraction between objects that is due to their masses between them. |
orbit | the path a body follows as it travels around another object |
aphelion | during earths orbit when the earth is the furthest away |
perihelion | during earths orbit when we are the closest to the sun |
centripetal force | the inward force that causes an object to move in a circular path |
solar nebula | a cloud which the solar system formed |
protostellar disk | a disk from which our sun was formed |
planetesimal | larger bodies of dust and particles from which planets formed |