February 5 Tutorials

A collection of stars, dust, and gas bound together by gravity is...

• Universe
• Solar System
• Planet
• Galaxy

A nebula can eventually turn into...

• a star.
• a star and all of the planets that orbit it.
• a galaxy.
• a constellation.

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

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

Which of these stars is hottest?

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

Which star is the coldest?

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

What else does the H-R Diagram tell us besides the luminosity and temperature?

• Color and size
• Location and distance from Earth
• Constellation structures

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

What characteristics are used to classify stars?

• Flammability, weight, and reactivity

• Temperature/color and brightness

• Conductivity, luster, and density

• Malleability, distance, and viscoscity

Which star has the lowest temperature?

• A
• B
• C
• D