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moe5astronomy
space and the universe for grade 5 science
Question | Answer |
---|---|
sun | The star at the center of our solar system. |
rotate | To spin on an axis |
axis | An imaginary line that passes through Earth's center and its North and South poles |
revolve | To travel in a closed path |
orbit | The path one body takes in space as it revolves around another |
equator | An imaginary line around Earth equally distant from the North and South Poles |
moon | Any natural body that revolves around a planet |
crater | A los, bowl-shaped area on the surface of a planet or moon |
moon phase | One of the shapes the moon seems to have as it orbits the Earth |
eclipse | An event that occurs when one object in space passes through the shadow of another object in space |
refraction | The bending of light as it moves from one material to another |
star | A huge ball of very hot gases in space |
solar system | A star and all the planets and other objects that revolve around it |
constellation | A pattern of stars, named after a sythological or religious figure, an object, or an animal |
planet | A body that revolves around a star |
universe | Everything that exists, including such things as stars, planets, gas, dust, and energy |
galaxy | A grouping of gas, dust, and many stars, plus any objects that orbit those stars |