Science Vocab

2. made up of gas, dust, and billions of stars and have different shapes (elliptical, spiral, irregular)
3. chunks of rock that burn upon entering a planet’s atmosphere.
6. telescope that receives radio waves emitted from objects in space, including waves from very distant stars and galaxies.
7. occurs when an object in space passes directly between two other objects or between the object and the viewer.
9. The spinning of a planet on its axis.
10. a star in the Milky Way galaxy located in a spiral arm about two-thirds of the way from the center of the galaxy.
11. Tool used to collect the light from distant stars and separate that light into bands of different colors

1. unit of measurement; used to measure the distance to stars and galaxies in space.
4. The movement of an object in a circular or elliptical course around another object.
5. the rise and fall of the surface levels of Earth’s ocean water caused by the gravitational effects of the Sun and Moon on Earth
8. moving areas of magnetic activity with temperatures that are cooler than the area of the photosphere.
12. the outer most layer of the Sun’s atmosphere
13. telescope that uses mirrors to focus light rays to produce images of objects in space