Question | Answer |
Rotation | the action of rotating around an axis or center. |
Revolution | to go around or movement |
Orbit | move around the plants |
Geocentric Theory | a system which puts the Earth in the center of the universe |
Heliocentric theory | the earth revolves around the sun |
Astromony | space, and the physical universe as a whole. |
Solar system | the collection of eight planets and their moons in orbit around the sun |
Telescope | an optical instrument designed to make distant objects appear nearer |
Commet | a celestial object consisting of a nucleus of ice and dust |
Gravity | the force that attracts a body toward the center of the earth |
Astronomer | an expert in or student of astronomy |
NASA | The National Aeronautics and Space Administration |
Axis | an imaginary line about which a body rotates |
Tilt | move or cause to move into a sloping position |
Meters | he fundamental unit of length in the metric system |
Constalation | a group of stars forming a recognizable pattern that is traditionally |
Vernal Equinox | spring, sun was right at the equator March 21st |
Autumnal Equinox | fall, Sun is right at the equator september 22nd and 23rd |
Summer Solstic | summer, the sun is north of the equator at the Tropic of Cancer June 21st |
Winter Solstic | winter, December 21st the sun is further south at the tropic of capricorn |