2024 Astronomy Final Exam Review

Front

What is electromagnetic radiation commonly known as?

Back

Light

Front

If a star's light has shifted towards the red side of the electromagnetic spectrum, what does this indicate about its movement?

Back

The star is moving away from the Earth.

Front

What type of telescope uses a large dish to collect radio waves?

Back

Radio telescope

Front

What does an infrared telescope measure from objects in space?

Back

Heat

Front

What does comparing the star spectrum with the gas spectrum tell us about the Sun?

Back

The Sun has Helium.

Front

What is the electromagnetic spectrum?

Back

The range of all types of electromagnetic radiation, including visible light, radio waves, and X-rays.

Front

What is redshift in astronomy?

Back

The phenomenon where light from an object is shifted to longer wavelengths, indicating it is moving away from the observer.

Front

What is blueshift in astronomy?

Back

The phenomenon where light from an object is shifted to shorter wavelengths, indicating it is moving towards the observer.

Front

What is a refracting telescope?

Back

A telescope that uses lenses to bend light and form an image.

Front

What is a reflecting telescope?

Back

A telescope that uses mirrors to collect and focus light.