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