Space Flashcards
(34 cards)
Tide
The rise and fall of the ocean caused by the gravitational pull of the moon and sun
The path of an object in space as it moves around another to gravity
Orbit
Solar System
The sun and its family of orbiting planets, moons, and other object
Millions and billions of star held together in a group by there own gravity
Galaxy
Universe
Space and all the matter and energy in it
An object that orbits a more massive object
Satellite
Impact crater
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
Axis of rotation.
The motion of one body around another
Revolution
Season
One of a pattern of temperature changes other weather trends over the course of a year
Exuinox
In orbit,a position and time in which sun shines equally on both hemisphere
In an orbit, position and time during which hemisphere receives the maximum sunlight
Solstice
Mare
A large dark plain of solidified lava on the moon.
An event during which one object in space cast a shadow onto another
Eclipse
Umbra
The dark central region of a shadow
The lighter shadow that may surround the darker part of a shadow
Penumbra
Average distance from sun which is 93,000,000 miles
AU
An oval or flattened circle
Ellipse
A planet that has a rocky surface
Terrestrial planet
A large planet that consist mostly of gasses in a dense form
Gas Giant
A small solid rocky body that orbits the sun
Asteroid
A body that produces a coma of gas and dust, a small icy body that orbits the sun
Comet
A small object from outer space that passes through earths atmosphere at a high speed
Meteor
A small object from outer space that passes through earths atmosphere and reaches the surface
Meteorite