Unit 10A

Front

What instrument collects light from distant stars and separates that light into bands of different colors?

Back

Spectroscope

Front

What two factors are plotted on the HR diagram for stars?

Back

Luminosity/magnitude and Temperature/color

Front

What is the term for the explosion of a supergiant star?

Back

Supernova

Front

What does the term 'fusion' mean in the context of stars?

Back

Combine

Front

What are the two main elements found in stars?

Back

Hydrogen and Helium

Front

What is the primary function of a reflector telescope?

Back

To collect and focus light using mirrors.

Front

What is the primary function of a refractor telescope?

Back

To collect and focus light using lenses.

Front

What is a nebula?

Back

A giant cloud of dust and gas in space, often the birthplace of stars.

Front

What is the difference between a star and a planet?

Back

A star generates its own light through nuclear fusion, while a planet reflects light from a star.

Front

What is the significance of the Hertzsprung-Russell diagram in astronomy?

Back

It classifies stars based on their luminosity and temperature.