Question | Answer |
Astronomy | The study of the moon,stars,and other objects in space. |
Axis | An imaginary like that passes through Earth's center and the North and South poles,about which Earth rotates. |
Rotation | The spinning motion pf a planet about its axis. |
Revolution | The movement of an object around another object. |
Orbit | The planet of an object as at revolves around another object in space. |
Tilt | When an object is on an angle. |
Solstice | The two days of the year on which the noon sun is directly overhead at either 23.5 degrees South or 23.5 degrees North. |
Equinox | The two days of the year on which neither hemisphere is tilted toward or away from the sun. |
phase | One of the different shapes of the moon as seen from Earth. |
eclipse | The partial or total blocking of one object by another |
gravity | The attractive force between two objects; its magnitude depends on their masses and the distance between them. |
tide | The rise and fall of the level of water in the ocean. |
satellite | Any object that revolves around another object in space. |
telescope | A device built to study distant objects by making them appear closer. |
geocentric | A description of the solar system in which all of the planets revolve around the Earth. |
heliocentric | A descrption of the solar system in which all of the planets revolve around the sun. |
inner planet | A planet on the inside of the astroid belt. |
outer planet | A planet on the outside of the astroid belt. |
comet | A ball of ice and dust whose orbit is a long narrow eclipse. |
asteroid | Objects revolving around the sun that are too small and too numerous to be considered planets. |
meteroid | A chunk of rock or dust in space. |
constellation | A pattern of stars in the sky. |
galaxy | A giant structure that contains hundreds of billions of stars. |
universe | All of space and everything in it. |
Milky Way | The Galaxy we live in. |