Astronomy Vocab Flashcard

Front

A large, round object orbiting the Sun that has cleared its orbit.

Back

Planet

Front

Day of the year with equal day and night.

Back

Equinox

Front

Study of earth, moon, sun, and space is called__________.

Back

Astronomy

Front

When the sun's rays are farthest from the equator, it's called:

Back

solstice

Front

Imaginary line through Earth's center at poles:

Back

axis

Front

Earth's motion causing day and night:

Back

rotation

Front

Moon cycle duration?

Back

month

Front

Earth's tilt during its orbit causes varying daylight and Sun's energy, leading to ________.

Back

seasons

Front

Earth's movement around the sun.

Back

Revolution

Front

Term for a small body of ice, rock, and dust loosely packed?

Back

Comet