Galaxies and Stars

Which galaxy do we live in?

• Andromeda

• ESO 146-IG 005

• Milky Way

• Seque 2

Tags

NGSS.MS-ESS1-2

The Milky Way is a spiral

• True

• False

Tags

NGSS.MS-ESS1-2

How big is the Milky Way?

• Over 100,000 light years in radius

• Over 1,000 light years in radius

• Less than 100 light years in radius.

How many stars are there in the Milky Way?

• 100 Billion

• Between 200 and 400 Billion

• Too many to ever really know

• Between 200 and 400 Million

Galaxies are composed of (best answer)

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

The Milky Way Galaxy is a 

• spiral
• lenticular
• elliptical 
• irregular

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular
• Irrational

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular 
• Irrational

Distance measurement used by astronomers for distant objects.

• Kilometers
• Light Years
• Miles
• Light Seconds

Tags

NGSS.MS-ESS1-3

What is not a galaxy?

• Optical Galaxy
• Spiral Galaxy
• Elliptical Galaxy
• Irregular Galaxy