ESSRT H-R Diagram

What does the H-R Diagram primarily depict?

• The characteristics and life cycle of stars

• The movement of planets in the solar system

• The composition of nebulae

• The formation of galaxies

Which of the following stars is considered a main sequence star?

• Betelgeuse

• Pollux

• Sirius

• Procyon B

What is the relationship between a star's size and its brightness?

• Larger stars are generally dimmer.

• Smaller stars are generally brighter.

• Larger stars are generally brighter.

• There is no consistent relationship.

What color are the hottest stars?

• Red

• Yellow

• Orange

• Blue