Astronomy Unit 1 Vocab Review

Front

Day: The time for a planet to rotate on its axis

Back

The time for a planet to rotate on its axis

Front

Month

Back

The time it takes for a moon to orbit its planet.

Front

Year: The time for a planet to complete its orbit

Back

The period of time it takes for a planet to complete its orbit.

Front

Event occurring biannually, marking day length changes.

Back

Solstice

Front

Event occurring twice yearly when days and nights are equal.

Back

Equinox

Front

Object using circular parts to measure star angles

Back

Quadrant

Front

Curved shape bulging out

Back

Convex

Front

Curved shape that bulges in

Back

Concave

Front

Light bending process.

Back

Refracting

Front

Light is bounced.

Back

Reflecting