Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
The Solar System
Unit 3
| Question | Answer |
|---|---|
| solar system | the sun and all of the planets and other bodies that travel around it |
| heliocentric | sun-centered |
| geocentric | describes something that uses Earth as the reference point |
| parallax | an apparent shift in the position of an object when viewed from different locations |
| gravity | a force of attraction between objects that is due to their masses |
| orbit | the path that a body follows as it travels around another body in space the path that a body follows as it travels around |
| aphelion | in the orbit of a planet or other body in the solar system, the point that is farthest from the sun |
| perihelion | the point in the orbit of a planet at which the planet is closest to the sun |
| centripetal force | the inward force required to keep a particle or an object moving in a circular path |
| solar nebula | a rotating cloud of gas and dust from which the sun and planets formed ( |
| planetesimal | a small body from which a planet originated in the early stages of development of the solar system |
| nuclear fusion | the process by which nuclei of small atoms combine to form a new, more massive nucleus; the process releases energy |
| sunspot | a dark area of the photosphere of the sun that is cooler than the surrounding areas and that has a strong magnetic field |
Created by:
Ayah lightbourne