Space 💫✨💥 Flashcards
(34 cards)
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
Millions or billions of stars held together in a group by their own gravity.
Galaxy
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 or other body in space after a smaller object strikes the surface.
Impact crater
An imaginary line about which a turning body suck as the earth rotates.
Axis of rotation
The motion of one body around another, such as the earth orbit around the sun.
Revolution
One part of a pattern of Temperature changes and other weather trends over the course of a year.
Season
In an orbit, a position and time in which sunlight shines equally on the Northern and Southern Hemispheres. A time of the year when day light and darkness are nearly equally for most parts of the earth.
Equinox
In an orbit, a position and time during which one hemisphere receives its maximum area of sunlight while the other hemisphere receives the minimum amount. The time of year when the the days are either longest or shortest.
Solstice
A large dark plain of solidified lava on the moon.
Mare
An event during which one object in space casts a shadow onto another.
Eclipse
The dark central region of a shadow, such as the cone of complete shadow cast by an object.
Umbra
A region of a lighter shadow that may surround a dark center spreading cone of lighter shadow cast by an object.
Penumbra
Average distance from the sun which is approximately 93,000,000 miles or 150 million kilometers.
Astronomical unit
An oval or flattened circle.
Ellipse
A planet that has a rocky surface.
Terrestrial Plane
A large planet that consists mostly of gases 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 brief streak of light produces by a particle entering Earths atmosphere at high speed.
Meteor
A small object from outer space that passes through earths atmosphere and reaches the surface.
Meteorite
Earth centered theory of the solar system.
Geocentric