Space Flashcards
Orbit
The circular path of an object as it revolves around another object
Solar system
The collection of eight planets and their moons in orbit around the sun, together with smaller bodies in the form of asteroids , meteoroids , and commits
Galaxy
Stars are grouped together in collections called __________
Universe
Everything that exists in/on and around the earth
Satellite
A natural or artificial object that revolves around another object
Impact crater
A crater on a plant or moon caused by the impact of a meteorite or other object , typically circular with a raised rim
Axis of rotation
The straight line through all fixed points of a rotating rigid body that moves in circles
Revolution
The orbiting of an object around another object
Season
A period of a year determined by the position of earth
Equinox
The time or the date ( twice each year ) at which the crosses the celestial equator
Solstice
When the sun reaches its highest its highest point in the sky at noon , marked by the longest and shortest days
Mare
A large , dark basaltic plains on earths moon
Eclipse
An obscuring of light from one celestial body by the passage of another between it
Penumbra
The shadows cast by the earth or moon over an area experiencing a partial eclipse
Astronomical
Relating to astronomy
