click below
click below
Normal Size Small Size show me how
astronomy science
vocab words
| Question | Answer |
|---|---|
| nubulas | a large cloud of gas and dust in interstellar space a region in space where stars are born explode at the end of their lives |
| solar nebula | a cloud of gas and dust that formed our solar system |
| nuclear fusion | the combination of the nuclei of small atoms to form nucleus releases engery |
| sunspot | a dark area of the photosphere of the sun that is cooler than the surrounding areas and that has a strong magnetic field |
| crust | the thin layer and solid outermost layer of the earth above the mantle |
| mantle | the layer of the rock between the earths crust and core |
| core | the central part of the earth below the mantle |
| rotation | the spin of a body on its axis |
| orbit | the path that a body follows as it travels around another body in space |
| revolution | the motion of a body that travels around another body in space one complete trip along an orbit. |