Astronomy 2 Review 2020/2021

What is the graph that shows the relations between a star's surface temperature and absolute magnitude?

• H-R Diagram
• Star Cluster Map
• Einstein's Diagram
• Newton's Chart of Stars

Nebulae are considered "Stellar Nurseries" because...

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

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

• Luminosity and Size
• Luminosity and Temperature
• Luminosity and Age

In the diagram given, what happens as we move to the left?

• Stars Get Larger
• Stars get Colder
• Stars get hotter

Which star is the coldest?

• 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

Which category is our Sun located in?

• White Dwarfs
• Supergiants
• Main Sequence
• Giants

The category that contains the most stars is...

• Main Sequence
• Supergiants
• Giants

When the Sun is finished fusing hydrogen in it's core it will become a ....

• red giant
• supernova
• black hole
• white dwarf

What percentage of the mass in our solar system is found in the Sun?

• 1%
• 42%
• 99%
• 13.5 %