Space Vocabulary Flashcards
the path of an object in space as it moves around another object due to gravity
Orbit
The sun and its family of orbiting planets and moons and other objects.
Solar system
Million and billions of stars held together in a group by their own gravity.
Galaxy
Space in all the matter and energy in it.
Universe
An object that orbits a more massive object.
Satellite
A round pet left left behind on the surface of a planet after a smaller object strikes the surface
Impact crater
An imaginary line about which a turning body such as earth rotates
Rotation
The motion of one body around another, such as the earth in its orbit around the sun
Revolution
One of a pattern of temperature changes and other weather trends over the course of the year
Season
In a orbit, a position and in time in which sun shines equally on both hemispheres
Equinox
In a orbit, a position and time during one hemisphere receives the maximum sunlight
Solstice
Thea large dark plain solidified lava on the moon.
Mare
an event during which one object in space casts a shadow onto one another
Eclipse
the dark central region of a shadow such as the cone of complete shadow cast by an object
Umbra
The rise and fall of the oceans caused by gravitational pull of the moon and sun.
Tides
Average distance from the sun which is 93,000,000 miles
Astronomical unit
A planet that has a rocky surface
Terrestrial planet
A large planet that consists mostly of gases in dense form
Gas giants
A small soiled rocky body the orbits the sun.
Asteroid
A body that produces a coma of gas and dust, a small icy body that orbits the sun.
Comet
A brief streak of light produced y a particle entering Earths atmosphere at high speed.
Meteor
A small object from outer spew that passes through atmosphere and reaches the surface.
Meteorite
Earth centered theory of the solar system
Geosectric
A sun centered theory of the universe
Helosectric
