click below
click below
Normal Size Small Size show me how
Chapter 20
formation of the solar system
| Question | Answer |
|---|---|
| a large cloud of gas and dust in interstellar space | Nebula |
| the cloud of gas and dust that formed our solar system | Solar nebula |
| the combination of niclei of small atoms to form larger nucleus | Nuclear fusion |
| a dark area on the sun that is cooler than the area surrounding it | Sunspot |
| one trip along a orbit | Revolution |
| the path a body follows around another body | Orbit |
| the spin of a body on its axis | Rotation |