Science Unit 1 Vocabulary Review

Front

What is the measure of the luminosity of a celestial object called?

Back

Apparent Brightness

Front

What does the term 'illuminate' mean?

Back

To light up

Front

What term describes a group of visible stars that form a pattern when viewed from Earth?

Back

Constellation

Front

What describes the way that the moon or a planet looks to the eye at any time in its series of changes with respect to how it shines?

Back

Phase of the Moon

Front

What is the movement of Earth in its orbit around the sun called?

Back

Revolution

Front

What is the term for the path that a celestial body follows as it moves around another body in space?

Back

Orbit

Front

What is the term for the spinning motion of a planet on its axis?

Back

Rotation

Front

What do we call the natural satellite that orbits Earth?

Back

Moon

Front

What is the term for the brightness of a star as seen from Earth?

Back

Apparent Magnitude

Front

What is the name of the imaginary line that divides the Earth into the Northern and Southern Hemispheres?

Back

Equator