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6th Grade Space

QuestionAnswer
The force that accelerates a rocket. Thrust
A small body of ice, rock, and cosmic dust loosely packed together. Comet
Small, rocky bodies that revolve around the sun. Asteroid
A bright streak of light caused when a meteoroid or comet dust burns up in the atmosphere: a shooting star. Meteor
Bright streaks of light caused when a meteoriod or comet dust burns up in the atmosphere. Meteorite
Small, rocky bodies that revolve around the sun; smaller than asteroids. Meteoroid
Large planets that don't have any known solid surfaces. Gas Giant
Inner planets that are small, dense and rocky. Terrestrial Planet
The average distance between Earth and sun. Astronomical Unit
The average distance between Earth and sun. Astronomical Unit
The spin of an object in space Rotation
The spin of an object in space Rotation
The motion of a body as it travels around another body in space. Revolution
The speed and direction a rocket must travel in order to orbit the earth. Orbital Velocity
The speed and direction a rocket must travel to completely break away from a planet's gravitational pull Escape Velocity
A natural body that revolves around a more massive body, i.e.: moons, comets, asteroids, meteoroids. Natural Satellites
An artificial body that revolves around a more massive body, i.e.: satellite, space station Artificial Satellites
This is the new classification for Pluto. Dwarf planets orbit the Sun, but are not as large as other planets. Dwarf Planet
The star that is the dominant member of our solar system. Sun
A group of bodies that can be organized into smaller systems. System
A group of bodies that can be organized into smaller systems. Galaxy
Includes the sun, planets, and many smaller objects. Solar System
Created by: jeff_lohmann