Space Flashcards
The path of an object in space as it moves around another object due to gravity
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.
The Sun and its family of orbiting planets and moons and other objects. Solar System
Millions and billions of stars held together in a group by their own gravity
Millions and billions of stars held together in a group by their own gravity. Galaxy
Space and all the matter and energy in it.
Space and all the matter and energy in it. Universe
An object that orbits a more massive object
An object that orbits a more massive object. Satellite
A round pit left behind on the surface of a planet after a smaller object strikes the surface
A round pit 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.
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.
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 a year.
One 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 sun shines equally on both hemispheres.
In an orbit, a position and time in which sun shines equally on both hemispheres. Equinox
an orbit, a position and time during which one hemisphere receives the maximum sunlight
an orbit, a position and time during which one hemisphere receives the maximum sunlight. Solstice
A large dark plain of solidified lava on the moon
A large dark plain of solidified lava on the moon. Mare
An event during which one object in space casts a shadow onto another.
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.
The dark central region of a shadow such as the cone of complete shadow cast by an object. Umbra
A region of lighter shadow that may surround a dark central region
A region of lighter shadow that may surround a dark central region. Penumbra
Average distance from the sun which is 93,000,000 miles.
Average distance from the sun which is 93,000,000 miles. Astronomical Unit (AU)
An oval or flattened circle
An oval or flattened circle. Ellipse
A planet that has a rocky surface
A planet that has a rocky surface. Terrestrial Planet
A large planet that consists mostly of gases in a dense form
A large planet that consists mostly of gases in a dense form. Gas Giant
A small solid rocky body that orbits the Sun.
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.
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 by a particle entering Earth’s atmosphere at high speed.
A brief streak of light produced by a particle entering Earth’s atmosphere at high speed. Meteor
A small object from outer space that passes through Earth’s atmosphere and reaches the surface.
A small object from outer space that passes through Earth’s atmosphere and reaches the surface. Meteorite
Earth-centered theory of the solar system.
Earth-centered theory of the solar system. Geocentric
