Term | Definition |
star | a large, hot ball of glowing gases |
tilt | to move or cause into a sloping position |
orbit | the path of an object in space as it travels around another object |
moon | a natural satellite that orbits a planet |
telescope | an optical instrument designed to make distant objects seem nearer |
universe | everything that exists |
planet | a large object in space that orbits a star |
revolve | move in a circle on a central axis |
rotate | move or cause to move in a circle around an axis or center |
solar energy | radiant energy emitted by the sun |
constellation | a group of stars forming a recognizable pattern |
atmosphere | the envelope of gases surrounding the Earth or another planet |
comet | a celestial object consisting of nucleus of ice and dust |
lunar ecipse | an eclipse in which appears darkened as it passes into the earths shadow |
solar eclipse | an eclipse in which the sun is obscured by the moon |
elliptical | its large and contains millions to trillions of stars |
galaxy | a system of millions or billions of stars together with gas and dust held together by gravitational attraction |
solstice | either of the two times in the year the summer and winter solstice when the reaches its highest point in the sky |
asteroid | a small rocky body orbiting the sun |
satellite | an artificial body placed around the earth or the moon or another planet in order to collect information or for communication |