Day 7, Unit 1 Galaxies and the Universe

Open Ended

Do Now:

What star classification does our star, the Sun, fall under according to its surface temperature and luminosity? (Look at the letters under the surface temp)

•How about the stars Spica and Betelgeuse? •Rank them from longest to shortest lifetimes.

Multiple Choice

Galaxies are composed of (best answer)

• stars
• stars and gas
• stars, dust, and gas
• stars, dust, and gas held together by gravity

Multiple Choice

Our sun is located on one of the Spiral Galaxy arms.  

• True
• False

Multiple Choice

The Milky Way Galaxy is a 

• spiral
• lenticular
• elliptical 
• irregular

Multiple Choice

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular
• Irrational

Multiple Choice

Place these objects in order from smallest to largest.

• Planets, solar system, universe, galaxy
• Solar system, planets, galaxy, universe
• Planets, solar system, galaxy, universe
• Galaxy, solar system, planets, universe

Multiple Choice

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular 
• Irrational

Multiple Choice

Distance measurement used by astronomers for distant objects throughout the galaxy and universe.

• Kilometers
• Light Years
• Miles
• Light Seconds