SCIENCE VOCAB

3. that would be too dangerous for astronomers; the instruments that a
5. produce images of the objects from sound waves. Radio telescopes receive information in any weather and during day or night.
6. of different colors; by studying these bands, astronomers identify the
10. tool that uses mirrors to focus light rays to produce images of objects in space
13. contains depends upon the space mission.
14. The galaxy in which you live
15. made up of gas, dust, and billions of stars and have different shapes(elliptical, spiral, irregular)
18. Tool that uses convex lenses to bend and focus light rays to produce images of objects in space.

1. Tool used to collect the light from distant stars and separate that light into
2. The distance in one light year is equal to the distance light travels in
3. the visible surface of the Sun that emits the light that we see. It is the lowest layer of the Sun’s atmosphere.
4. unit of measurement; used to measure the distance to stars and galaxies in
7. contains instruments to collect data and travel out of Earth’s orbit to explore
8. Tool that receives radio waves emitted from objects in space, including
9. year. 9.46 x 1012 km (5.88 x 1012 miles)
11. in a star.
12. Made up of the planets, moons, asteroids, comets, dust and gas that orbit the Sun
16. from very distant stars and galaxies. Then the radio waves are used
17. the outer most layer of the Sun’s atmosphere, also emits light but is only visible as a white halo during a solar eclipse