Astronomy Vocab Flashcard

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

Day of the year with equal day and night.

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

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

Imaginary line through Earth's center at poles:

Earth's motion causing day and night:

Moon cycle duration?

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

Earth's movement around the sun.

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