galaxies

As an astrophysicist, how would you define a galaxy?

• A planet in the solar system

• A type of comet

• A single star

• A large system of stars, gas, and dust bound together by gravity

As an astronomer observing the cosmos, identify which of the following celestial bodies is a member of our solar system.

• The Milky Way

• The Sun

• Alpha Centauri

• Andromeda

As an astronomer observing the cosmos, what is the most common shape you would expect to find when studying galaxies?

• Triangular

• Rectangular

• Hexagonal

• Spiral or elliptical

What is the primary component of a star?

• Water

• Hydrogen and helium

• Carbon dioxide

• Iron

Which celestial body is closest to Earth?

• The Moon

• Jupiter

• Mars

• Venus

We live in the ______________ galaxy.

• Snickers

• Baby Ruth

• Hershey

• Milky Way

Describe this picture

• galaxy

• solar system

• universe

• star

Tags

NGSS.MS-ESS1-2

What is this?:

• Spiral Galaxy

• Comet

• Asteroid

• Supernova

Tags

NGSS.MS-ESS1-2

Which type of galaxy is the Milky Way?

• Lenticular

• Spiral

• Irregular

• Elliptical

As a scientist observing the celestial bodies, identify the largest planet in our solar system based on its mass and volume.

• Neptune

• Earth

• Jupiter

• Saturn