Tools of Astronomy

Front

What is the cost of the Hubble telescope at the time of launch?

Back

2.5 billion

Front

What type of telescope uses lenses to focus light?

Back

Refractor

Front

Why do astronomers place telescopes on satellites and space probes?

Back

To get a clearer picture outside of Earth's atmosphere

Front

What is any natural or man-made object that orbits around another object called?

Back

Satellite

Front

Which of the following is NOT a reason for putting telescopes in space?

Back

It is easier to keep them clean.

Front

What is the primary purpose of a telescope?

Back

To observe distant objects in space.

Front

What type of telescope uses mirrors to gather and focus light?

Back

Reflector

Front

What is light pollution?

Back

Excess artificial light that interferes with astronomical observations.

Front

What is the electromagnetic spectrum?

Back

The range of all types of electromagnetic radiation.

Front

What is a space probe?

Back

An unmanned spacecraft that travels out of Earth's orbit to collect data.