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### 30 Cards in this Set

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 astronomy the study of the moon, stars, and other objects in space. axis the imagenery line that passes thourgh Earth's center and the North and South poles rotation earth's spinning on its axis Earth's ------- on its ---- causes day and night rotation axis -------- ---- revolution the movement of one object around another. orbit Earths path as it revolves around the sun. how many days are in a year? how many in a leap year? 365.25 366 latitude is a measerment of the distance from the equater, expressed in degrees north or south phases the different shapes of the moon you see from the Earth. astronomy the study of the moon, stars, and other objects in space. axis the imagenery line that passes thourgh Earth's center and the North and South poles eclipse occers when an object in space comes between the sun and a 3rd object. and casts a shadow on that object rotation earth's spinning on its axis umbra the darkest part of a moons shadow Earth's ------- on its ---- causes day and night rotation axis -------- ---- penumbra is the larger larger part of the shadow satellite is any natural or artificial that revolves around an object in space revolution the movement of one object around another. geosynchronous orbits satilles that revolve around the Earth the same rate as the Earth rotates on its axis orbit Earths path as it revolves around the sun. how many days are in a year? how many in a leap year? 365.25 366 maria= craters= the moons surface also has dark areas round pits latitude is a measerment of the distance from the equater, expressed in degrees north or south phases the different shapes of the moon you see from the Earth. eclipse occers when an object in space comes between the sun and a 3rd object. and casts a shadow on that object umbra the darkest part of a moons shadow penumbra is the larger larger part of the shadow satellite is any natural or artificial that revolves around an object in space geosynchronous orbits satilles that revolve around the Earth the same rate as the Earth rotates on its axis maria= craters= the moons surface also has dark areas round pits