front 1 Asteroid | back 1 A small rocky body orbiting the sun |
front 2 Asteroid Belt | back 2 the region of the solar system between the orbits of mars and jupiter |
front 3 Atmosphere | back 3 A force that pulls objects toward each other |
front 4 Comet | back 4 A ball of frozen dust and rocks that orbits the sun and has a tail. |
front 5 Crater | back 5 A large round pit caused by the impact of a meteoroid |
front 6 Galaxy | back 6 A collection of stars dust and gas bound together by gravity. |
front 7 Gas Giant | back 7 a ball of hot gas,primarily hydrogen an helium that undergoes nuclear fusion. |
front 8 Gravity | back 8 a force that pulls objects toward each other |
front 9 Planets | back 9 a celestial body moving in an elliptival orbit around a star |
front 10 moon | back 10 a natural objects that orbits a planet. |
front 11 milky way | back 11 the galaxy containing the solar system |
front 12 orbit | back 12 the path an object follows as it moves around another object. |
front 13 revolution | back 13 The movement of an object around another object. |
front 14 rotation | back 14 The spinning motion of a planet on its axis |
front 15 solar system | back 15 The outer planets |
front 16 star | back 16 the collection of eight planets and their moons in orbit around the sun. |
front 17 terrestrial | back 17 the name of the inner planets |
front 18 dwarf planet | back 18 a small body of matter form outer space that enters the earth atmosphere appearing as a streak of light |
front 19 light year | back 19 a celestial body resemling a small planet but lacking certain technical criteria that are required for it to be classified as much. |
front 20 kuiper belt | back 20 the distance light travels in one year |
front 21 meteor | back 21 A region of the solar system that is just beyond the orbit of neptune |
front 22 Universe | back 22 all of space and everything in it |