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science vocab
this is the definition
| Question | Answer |
|---|---|
| what are stars composed of | gas-hydrogen and helium |
| what do stars do | emit light |
| what is the definition of the solar system | a star with all the small bodies around it |
| what is the definition of the universe | space with all the matter and energy in it |
| what is the structure of the universe | tzu bubble-clusters and superclusters on the walls and voids in the middle |
| what are the three types of galaxies | spiral eliptical irregular |
| compare the sun to other stars (size) | small |
| names of the planets in order | mercury venus earth mars jupiter saturn uranus neptune |
| which galaxy do we live in | milky way |
| list three details of the terrestrial planets and the gas giants | terrestrial-rocky hot small gas giants-made of gas big cold |
| what is a light year | how for light travels in a year |
| why do we use them instead of miles | because space is so big |