Space Vocabulary Flashcards
Orbit
The circular or elliptical path of an object as it revolves around another object
Solar system
A system of objects that revolve around a star
Galaxy
A group of solar systems,dust,and gas held together by gravity ; our solar system is part of the Milky Way galaxy
Universe
Everything the exists in,on ,and around the earth
Satellite
A natural or artificial object that revolves around another object in space
Impact crater
A crater on a planet or moon caused by the impact of a meteorite or other object , typically round with raised trim
Rotation
The spinning of a celestial body,such as a planet, around axis
Revolution
The orbiting of an object around another object
Season
A period of the year determined by the position of the earth as it revolves around the sun
Equinox
The twice a year occurrence during which earths axis is perpendicular (90 degree angle) to a line joining the sun in the earths center
Solstice
A twice a year occurrence during which the sun appears at the highest point in the sky as seen from the north and South Pole
Mare
A large,dark,basaltic plains on Earth’s Moon formed formed by ancient volcanic eruptions
Eclipse
An event whereby one astronomical body passes between two other astronomical bodies
Umbra
The fully shaded in a region of a shadow cast by an opaque object, especially the area on the earth or miss experiencing check your total pass on an eclipse
Penumbra
A partial shadow between regions of foreshadow in for illumination especially as cast by the earth,the moon, or another body during an eclipse