Space Flashcards
The sun and its family of orbiting planets,moons,and other objects.
Solar system
The path of an object in space that take the path of another due to gravity example,the moon orbits the earth
Orbit
Millions or billions of stars held together in a group by their own gravity. A
Galaxy
Space and all the matter and energy in it.
Universe
An object that orbits a more massive object
Satellite
A round pit left on the surface of a planet or other body in a small object strikes the surface
Impact crater
An imaginary line about which a turning no body, such as earth rotates
Axis of rotation
The motion of a body around another, such as earth in its orbit around the sun.or the time it take and object to go around once.
Revolution
One part of a pattern of temperature changes and other weather trends over the course of the year. Astronomical seasons are defined and caused by the position of Earths axis relative to the direction of sunlight.
Season
In an orbit, a position and time in which sunlight shines equally on the Northern Hemisphere and the Southern Hemisphere; a time of year when daylight and darkness are nearly equal for most of Earth.
Equinox
In an orbit,a position and time during which one Hemisphere gets maximum area of sunlight while the others hemisphere gets its minimum amount; the time of year when days are either longest or shortest and the angle of sunlight reaches its maximum and minimum
Solstice
A large,dark plain of solidified lava on the moon
Mare
An event during which object in space casts a shadow onto another . On earth, a lunar eclipse occurs when the moon moves through earth shadow, and a solar eclipse occurs when the moons shadow crosses earth.
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 an umbra.
Penumbra