Flashcards in Space Vocabulary Deck (34):
The path of an object in space as it moves around another object due to gravity
The sun and its family of orbiting planets and moons and other planets.
Millions and billions of stars held together in a group by their own gravity.
Space and all the matter and energy in it
An object that orbits a more massive object
A round pit left behind on the surface of a planet after a smaller object strikes the surface.
An imaginary line about which a turning body such as earth rotates
The motion of one body around another such as the earth in its orbit around the sun
One of a pattern of temperature changes and other weather trends over the course of a year.
In a orbit a position and time in which sun shines equally on both hemispheres
In a orbit a position and time during which one hemisphere receives the maximum sunlight
A large dark plain of solidified lava on the moon
An event during which one object in space casts a shadow onto another
The dark central region of a shadow such as the cone of complete shadow cast by an object.
A region of lighter shadow that may surround a central region
Average distance from the sun which is 93,000,000
An oval or flattened circle
A planet that has a rocky surface
A large planet that consists mostly of gases in a dense form
A small solid rocky body that orbits the sun
A body that produces a coma of gas and dust, small icy body that orbits the sun
A brief streak of light produced by a particle entering earths atmosphere at high speed
A small object from outer space that passes through Earth’s atmosphere and reaches the surface
Earth centered theory of the solar system
A sun centered theory of the universe
The force that objects exert on one another because of their mass
The gradual increase of the illuminated surface of the moon
The gradual decrease in the illuminated surface of the moon
More than half but less than fully illuminated
The illuminated surface is less than a quarter illuminated
The entire surface of the moon is illuminated
The entire surface of the moon is not illuminated
Half of the moon is illuminated