STARS C3 5

What are stars/sun primarily made of?

• Ice and rock

• Hot gases

• Liquid metal

• Plasma and dust

What is the largest known star in the universe?

• Betelgeuse

• Sirius

• UY Scuti

• Rigel

The smallest star ever recorded, about the size of Saturn, is:

• Proxima Centauri

• EBLM J0555-57Ab

• Alpha Centauri

• Barnard’s Star

Which is the closest star to Earth?

• Proxima Centauri

• Sirius

• The Sun

• Betelgeuse

Distance of stars are measured in terms of light-year. What is a light-year?

• A measure of time

• the distance light trAVELS IN 1 year

• A unit of brightness

• A type of star

How far does light travel in one year?

• 9.4 billion kilometers

• 9.4 trillion kilometers

• 9.4 quadrillion kilometers

What is the second closest star to Earth after the Sun?

• Proxima Centauri

• Betelgeuse

• Sirius

• Polaris

How far is Proxima Centauri from Earth?

• 4.3 million light-years

• 4.3 billion light-years

What color are the hottest stars?

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What is the color of the coolest stars?

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