8.8 ABCD Total Review

Analyze this HR Diagram. Which group of stars is considered to have lower than average luminosity as well as a higher than average temperature?

• Giants
• Main Sequence
• White Dwarfs
• Super Giants

Analyze this HR Diagram. Which group of stars is considered to have higher than average luminosity as well as a lower than average temperature?

• Giants
• Main Sequence
• White Dwarfs
• Super Giants

A collection of dust and gases where stars can form is called a:

• Galaxy
• Nebula
• Black Hole
• Supernova

Choose the best description of Bernard's star.

• Bernard's star is both cooler and brighter than the sun.
• Bernard's star is both cooler and dimmer than the sun.
• Bernard's star is neither cooler or dimmer than the sun.
• Bernard's star is brighter and hotter than the sun.

The sun is not:

• a medium size star.
• near the edge of a disc-shaped galaxy.
• many thousands of times closer to Earth than any other star.
• in the center of the Milky Way.

The illustration provided shows four locations in or near the Milky Way Galaxy. Which of the labeled locations shows the approximate position of the Sun?

• W

• X

• Y

• Z

Which of the following best describes the relative size of the Sun?

• The smallest star in our galaxy.
• Medium-sized compared to all stars.
• The largest star in our galaxy.
• Among the group of largest stars.

The illustration provided shows four locations in or near the Milky Way Galaxy. Which of the labeled locations shows the approximate position of the Sun?

• W

• X

• Y

• Z

Our Sun is what type of celestial object?

• Planet
• Comet
• Star
• Asteroid

What percentage of visible stars are closer to Earth than the Sun?

• 0%
• 25%
• 50%
• 100%