front 1 Asteroid | back 1 A small rocky body orbiting the sun |
front 2 Asteroid | back 2 The region of the solar system between the orbits of mars and Jupiter |
front 3 Atsmophere | back 3 A mixture of gasses that surround a planet or moon. |
front 4 Comet | back 4 A ball og frozen dust and rock that orbits the sun and has a tail. |
front 5 Crater | back 5 A large round pit cause by the impact of a mediator. |
front 6 Galaxy | back 6 A collection of, stars, dust and gas bound together by gravity. |
front 7 Gas giant | back 7 The outer planets. |
front 8 gravity | back 8 A force that pulls objects toward each other. |
front 9 planets | back 9 a celestial body resembling a small planet but lacking certain technical criteria that are |
front 10 moon | back 10 A natural object 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 plant on its axis |
front 15 solar system | back 15 The collection of eight planets and their moons in orbit around the sun. |
front 16 star | back 16 A ball of hot gas, primarily hydrogen and helium that undergoes nuclear fusion |
front 17 terrestrial | back 17 The name of the inner planets |
front 18 dwarf planet | back 18 A celestial body resembling a small planet but lacking certain technical criteria that are required for it to be classified as such. |
front 19 light year | back 19 The distance a light year travels in one year |
front 20 kuiper belt | back 20 The region of the solar system between the orbit of mars and Jupiter |
front 21 meteor | back 21 A small body of matter from outer space that enter earths atmosphere appearing as a streak of light |
front 22 universe | back 22 All of space and everything in it. |