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Solar System
Solar System Unit
| Term | Definition |
|---|---|
| star | a large hot ball of glowing gases |
| tilt | to cause lean incline slope of slant |
| orbit | the curved path usually elliptical described by a planet satellite space ship |
| moon | the earths natural satellite orbiting the earth with a mean distance of 238,857 miles |
| telescope | an optical instrument for making distant objects appear larger and therefore nearer. |
| universe | the totality of known or supposed objects phenomena through out space |
| planet | also called major planet any of the eight large heavenly bodies revolving about the sun and shinning by the moon |
| revolve | to move in a circular or curved cause or orbit |
| rotate | to cause to turn around on a axis |
| solar energy | also called solar |
| constellation | any of various group of stars to which definite names have been given |
| atmosphere | the gaseous envelope surrounding the earth |
| comet | a celestial body moving around the sun |
| lunar eclipse | a lunar eclipse occurs when the moon passes directly behind the earth into its shadow |
| solar eclipse | a solar eclipse is a type pf eclipse that occurs when the moon passes between the sun and earth |
| elliptical | pertaining to or have the form of a ellipse |
| galaxy | a large system of stars held together by mutual gravitation |
| solstice | either of the two times a year when the sun is at its greatest distance from the celestial |
| asteroid | also called a miner planet |
| satellite | a natural body revolves around a planet |