Space Flashcards
A path of an object in space as it moves around another planet due to gravity
Orbit
The sun and its family of another planets moons and other objects
Solar system
Millions of billions of stars held together by their own gravity
Galaxy
Space and all the matter and energy in it
Universe
An object that orbits a more massive objects
Satellite
A round pit left behind on the surface of a planet or body in space after a smaller object strikes the surface
Impact crater
an imaginary line about which a turning object rotates
Axis
the motion of one body of another
Revolution
One part of a pattern of weather changes of a pattern of year
Season
In an orbit a position and time in which sunlight shines equally on the Northern and Southern Hemisphere
Equinox
In an orbit a position and time doing which one hemisphere receives its maximum area of sunlight while the other hemisphere receives its minimum amount
Solstice
A large dark plane of solidified lava on the moon
Mare
And 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 and object
Umbra
A region of lighter shadow that may surround a dark circle region
Penumbra