ESS Final ( Practice Test VI)

Front

What is an area of sky that contains a specific pattern of stars called?

Back

Constellations

Front

What indicates whether a star or other body in space is moving away from Earth or toward Earth?

Back

Doppler effect

Front

What do variable stars such as Cepheid variables and stars experiencing anova show fluctuations in?

Back

Brightness

Front

What can be used to determine a star’s mass due to the gravitational pull between them?

Back

Binary stars

Front

What is the slight shifting in the apparent position of a nearby star due to the orbital motion of Earth called?

Back

Parallax

Front

What is the term for a group of stars that form a recognizable pattern in the night sky?

Back

Constellation

Front

What phenomenon explains the change in frequency of light from a star as it moves towards or away from Earth?

Back

Doppler effect

Front

What type of stars are used to measure distances in space through their brightness variations?

Back

Variable stars

Front

What is the method called that uses the gravitational interaction between two stars to determine their masses?

Back

Binary star method

Front

What is the term for the apparent movement of stars due to the Earth's orbit around the Sun?

Back

Stellar parallax