Space Vocaburlary Flashcards
The path of an object in space as it moves around another object due to gravity.
Orbit
The Sun and its family of orbiting planets and moons and other objects.
Solar system
Millions or billions of stars held together in a group by their own gravity
Galaxy
Space and all the matter and energy in it.
Universe
An object that orbits a more massive object.
Satellite
A round pit left behind on the surface of a planet of other body in space after a smaller object strikes the surface
Impact crater
A imaginary line about which a turning body such as the Earth rotates.
Axis of Rotation
The motion of one body around another, such as Earth in its orbit around the Sun
Revolution
One part of a pattern of Temperatures changes and other weather trends over the course of a year.
Season
In an orbit, a position and time in which sunlight shines equally on the Northern and Southern Hemisphere, a time of the year when daylight and darkness are nearly equally for most parts of the Earth.
Equinox
In the orbit, a position in time during which one hemisphere receives it maximum area of sunlight while the other hemisphere receives it minimum amount the time of the year when the days are either longest or shorter.
Solstice
A large dark plain of solidified lava on the moon
Mare
An event during which one object in space casts a shadow onto another.
Eclipse
The dark central region of a shadow, such as the cone of complete shadow cast by an object.
Umbra
A region of lighter shadow that may surround a dark central region. The spreading cone of lighter shadow come of lighter shadow cast by an object.
Penumbra
