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Universe Scale
Use to help study for your quiz on The Scale of the Universe
| Question | Answer |
|---|---|
| Parallax | A way astronomers can measure the distance of stars that are light-years away. |
| Universe | made up of all space and everything in it. |
| Light-year | A way to measure far distances in space. |
| Scientific Notation | Uses powers of ten to write very large or small numbers in short form. |
| 8.88 x 10^12 | 888,000,0000,000 |
| 500,000,000 | 5 x 10^8 |
| 9 x 10^13 | 90,000,000,000,000 |
| 6,330,000,000,000,000 | 6.33 x 10^15 |
| 1.6 x 10^10 | 16,000,000,000 |
| Far star | During a parallax if a star seems to not move. |
| Close star | During a parallax if a star seems to move. |
| Parallax phenomenon | the apparent change of position of an object when you look at it from different places. |