Space Stuff And The Galaxy Flashcards
Solar system
The sun and its family of orbiting planets moons and other objects
Galaxy
Millions or billions of stars held together I’m a group by there own gravity
Universe
Space and all the matter and energy in it
Satellite
An object that orbits a more massive object
Impact crater
A round pit left behind on the surface of the planet or another body in space after a smaller object strikes the surface
Axis of Rotation
An imaginary line about which a turning body such as earth
Revolution
The motion of one body around another such as earth in its orbit around the sun the time it takes for an object to go around once
Season
One part of a pattern of tempature and other weather trends over the course of the year
Equinox
In an orbit a position and time in which sunlight shines equally on the northern
Solstice
The time of the year when days are longest or shortest
Mare
A large dark plain of solidified lava on the moon
Eclipse
An event during which one object in space a shadow onto another
Orbit
The path of an object in space as it moves around another object due to gravity.
Umbra
The dark central region of a shadow such as the cone of complete shadow cast by an object
Penumbra
A region of lighter shadow that may surround a umbra for example the spreading cone of lighter shadows cast by a space object
Orbit
The path of an object in spaces as it moves around another object due to gravity
