Space Vocab Flashcards
METEORITE
A small object from outer space that passes through earths atmosphere and reaches the surface
UNIVERSE
Space and all the matter and energy in it
QUARTER MOON
half of the moon is illuminated
NEW MOON
The entire surface of the moon is NOT Illuminated
ASTRONOMICAL UNITS
Average distance from the sun which is 93 million miles
REVOLUTION
The motion of one body around another, such as the Earth in its orbit around the sun
CRESCENT MOON
Illuminated surface is less than a quarter illuminated
PENUMBRA
A region of lighter shadow that may surround a Dark central region
MARE
A large dark plain of solidified lava in the moon
GALAXY
Millions of billions of stars held together in a group by their own gravity
UMBRA
The Dark central region of a shadow such as the cone of complete shadow cast by an object
COMET
A body that produces a coma of gas and dust, a small icy body that orbits the sun
ECLIPSE
An event during which one object in space casts a shadow onto another
GIBBOUS MOON
More than half but less than fully illuminated
ORBIT
The path of an object in space as it moves around another object in space due to gravity