Universe Review

As a whole, Giants are considered hotter than White Dwarfs.

• True
• False

Which color of star is the coldest on n H-R diagram?

• Yellow Star
• Red Star
• Orange Star
• Blue Star

Compared to the rest of the stars, our sun is considered...

• Extremely Large and Cold
• Small with a medium temperature
• Medium size with medium temperature
• Very hot and very dim

Which category is our Sun located in?

• White Dwarfs
• Supergiants
• Main Sequence
• Giants

The Hertzprung Russell Diagram consists of two axis that are labelled...

• Luminosity and Size
• Luminosity and Temperature
• Brightness and Age
• Magnitude and Luminosity

Nebulae are considered "Stellar Nurseries" because...

• Planets are created from the gases
• Stars form from them
• Asteroids are formed from them

What is a large celestial body that is composed of gas and that emits light?

• Nebula
• Star
• Galaxy
• Planet

Blue stars are the _____________.

• hottest
• coolest
• smallest
• biggest

Look at the H-R diagram. Which star is
sort of cool, dim (not too much light), and red?

• Betelguse
• Sirius B
• Procyon B
• Barnard's star

Which spectral class does our star, the sun, belong to?

• M
• K
• G
• F