Astronomy Final Exam Review

Front

Telescopes that use mirrors to collect incoming light are called __________.

Back

Reflectors

Front

Which body has the greater effect on Earth's tides?

Back

Moon

Front

The distance from the Earth to the Sun is:

Back

1 AU

Front

Why is life on Mercury most likely impossible?

Back

There are extreme temperature variations, ranging from excessive heat to extreme cold.

Front

The farther a planet is from the sun, the __________.

Back

more time it will take to revolve around the sun.

Front

What is the primary function of a telescope?

Back

To collect and magnify light from distant objects.

Front

What is the difference between a refractor and a reflector telescope?

Back

Refractors use lenses to focus light, while reflectors use mirrors.

Front

What is an AU (Astronomical Unit)?

Back

The average distance from the Earth to the Sun, approximately 93 million miles.

Front

What causes tides on Earth?

Back

The gravitational pull of the Moon and the Sun.

Front

What is the significance of the Moon in relation to Earth?

Back

It stabilizes Earth's axial tilt and influences tides.