Galaxies

What shape is this galaxy?

• Spiral
• Barred Spiral
• Elliptical
• Irregular

What shape is this galaxy?

• Spiral
• Barred Spiral
• Elliptical
• Irregular

What shape is this galaxy?

• Spiral
• Barred Spiral
• Elliptical
• Irregular

What shape is our own galaxy?

• Spiral
• Barred Spiral
• Elliptical
• Irregular

An observation of the red shift of galaxies suggests that the universe is

• expanding

• contracting

• reversing

• stagnant

Tags

NGSS.HS-ESS1-2

A light year is

• a unit of time

• a unit of distance

• a unit of mass

• a unit of density

Galaxies are composed of (best answer)

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

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular
• Irrational

What is not a galaxy?

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

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

Tags

NGSS.MS-ESS1-3