8.8 Earth and Space

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

• M
• K
• G
• F

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

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

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

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular 
• Irrational

What is plotted on an H-R diagram?

• A star's temperature and brightness

• A star's distance from Earth

• A star's color and distance from its planets

• A planet's amount of water

What color are the hottest stars?

• red
• yellow
• orange
• blue

What type of galaxy is shown in this image?

• Spiral
• Elliptical
• Irregular
• Irrational

What are the the 3 types of galaxies?

• Spiral, Regular, and Elliptical 
• Spiral, Irregular, and Elliptical 
•  Milky Way, Elliptical, and Spiral 
• Milky Way, Elliptical, and Irregular