click below
click below
Normal Size Small Size show me how
UnitC Chapter4 vocab
Question | Answer |
---|---|
oval shaped like a flattened circle | elliptical |
a representation of how something looks or works | model |
a rocky object that revolves around the sun | asteroid |
a small piece of rock or metal that travels in space around the sun | meteoroid |
a bright streak of light that passes through earth's atmosphere | meteor |
a ball of ice,dust,and gases that travels through space and orbits the sun | comet |
a piece of a meteoroid that lands on earth after passing through the atmosphere | meteorite |
astronomical units | AU |
the distance light travels in one year | light year |
stars that appear to be in groups when viewed from earth | constellation |
a group of billions of stars,dust,and gases in space held together by gravity | galaxy |
an instrument that separates light into patterns of lines of different colors | spectroscope |
the bending of light as it passes from one material to another; a way to gather and focus light | refraction |
the bouncing of light off, a surface; a way to gather and focus light | reflection |