Space Flashcards
(32 cards)
The sun and planets and various other things that make up…..
Solar system
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
Impact carter
An imaginary line about which a turning body such as Earth rotates.
Axis of rotation
The motion of one body around another such as Earth in its orbit
Revolution
One part of temperature changes and other weather trends over the course of a year.
Season
In an orbit, a position and time in which the sunlight shines equally on the north hemisphere and the Southern Hemisphere.
Equinox
A position and time which one hemisphere gets its maximum area of sunlight while the other gets its minimum amount
Solstice
A large dark plain of solidfield lava on the moon.
Mare
An event during which one object in space casts a shadow onto another.
Eclipse
The dark 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
Earths average distance from the sun which is approximately 93 million miles away.
Astronomical
An oval or flattened circle.
Ellipse
Earth or a planet similar to Earth that has a rocky surface. Mercury and Venus and Mars and Earth
Terrestrial planet
The outer planets that consist of gas and are large
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 entering the Earth atmospher
Meteor
A small object from outer space that passes through Earths atmosphere and reaches the surface
Meteorite
Earth centered solar system
Geocentric
Everything revolves around the Sun
Heliocentric
The forces that objects exert on each other bc their mass
Gravity
