click below
click below
Normal Size Small Size show me how
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 |