Space Vocabulary
rotate - move or cause to move in a circle around an axis or center "spins" like the wheels on a car. "The Earth rotates on its axis."
axis - an imaginary line around which an object spins on itself.
revolve - When something is moving in a circle around another object, such as the way the Moon Circles the Earth, it is said to revolve around that object.
orbit - The path one object takes around another.
phase - The apparent change in the shape of the Moon, Mercury, and Venus due to how much of the sunlit side is facing the Earth
solar system - The system of planets and other objects orbiting the star Sol, which happens to be our Sun.
planet - An object moving around a star.
comet - A small, frozen mass of dust and gas revolving around the sun.
star - A self-luminous object that shines through the release of energy produced by nuclear reactions at its core.
sun - The only star in our solar system.
constellation -A grouping of stars which have been given names by ancient astronomers because of the way they look.
galaxy - A group of stars, gas and dust held together by gravity
axis - an imaginary line around which an object spins on itself.
revolve - When something is moving in a circle around another object, such as the way the Moon Circles the Earth, it is said to revolve around that object.
orbit - The path one object takes around another.
phase - The apparent change in the shape of the Moon, Mercury, and Venus due to how much of the sunlit side is facing the Earth
solar system - The system of planets and other objects orbiting the star Sol, which happens to be our Sun.
planet - An object moving around a star.
comet - A small, frozen mass of dust and gas revolving around the sun.
star - A self-luminous object that shines through the release of energy produced by nuclear reactions at its core.
sun - The only star in our solar system.
constellation -A grouping of stars which have been given names by ancient astronomers because of the way they look.
galaxy - A group of stars, gas and dust held together by gravity