Space Vocab Flashcards
The Sun and its family of orbiting plan items moons and other objects
Solar system
Millions or billions of stars held together in a group by there 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 or other body in space after a smaller object strikes the surface
Impact creator
An imaginary line about which a turning body such as earth rotations
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 temperature changes weather trends over the course of a year
Season
In an orbit a position and time in witch sunlight shines equally on the northern hemisphere and the Southern Hemispheres
Equinox
In a orbit a position and time during which one hemisphere gets maximum sunlight while the other hemisphere gets minimum amount
Solstice
A large dark plain of solidified lava
Mare
An event during which one object in space casts a shadow onto another
Eclipse
The dark central region of shadow such as the cone of complete shadow cast by an object
Umbra
A region of lighter shadow that may surround an umbra for example the spreading cone of lighter shadow cast bya space object
Penumbra
Earthed Average distance from the sun which is approximately 150 million de kilometers
Astronomical unit ai
An oval or flattened circle
Ellipse
Earth or a planet similar to earth that has a rocky surface
Terrestrial planet
A large planet that consists of mostly of gasses in a defense form
Gas giant
A small solid rocky body that orbits the sun
Asteroid
A body that produces a coma of gas and dust
Comet
A brief streak of light produced by a small particle
Meteor
A small object from outer space that passes through earths atmosphere
Meteorite
Having earth as the Comintern of the solar system
Geocentric
Having or representing the sun in the middle of the solver system
Heliocentric
The forces that objects exert on each other because of their mass
Gravity
The alternate rise and lowering of the sea
Tide
The moon at any time after the new moon and before the full moon
Waxing moon
The moon at any time after a full.moon and before the new moon
Waning moon
A moon between the half but less than a full moon
Gibbous moon
A moon with a arc shape
Crescent moon
The phase of the moon as viewed from earth appears to be fully illuminated
Full moon
The phase of the moon that is almost invisible to view on earth
New moon
The path of an object in space as it moves around another object due to gravity.
Orbit
