What is the largest moon in the Milky Way Galaxy?

• Callisto

• Io

• Luna

• Ganymede

• Titan

How many planets in our Solar System are larger than Earth?

• 2

• 5

• 1

• 3

• 4

Tags

NGSS.MS-ESS1-3

What does the first 'A' stand for in NASA?

• Aeronautics

• Astronomy

• Aerospace

• Astrology

• American

White dwarf, red dwarf, and supergiant are each types of what?

• Galaxies

• Planets

• Stars

• Black Holes

• Comets

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Which planet in our Solar System orbits the Sun in the shortest time?

• Mercury

• Mars

• Saturn

• Venus

• Earth

Tags

NGSS.MS-ESS1-2

What are most of the Solar System's planets named after?

• Astronomers

• Greek gods

• Astrology signs

• Roman gods

• Constellations

To the nearest billion, how old is our Universe?

Tags

NGSS.HS-ESS1-2

Jupiter, Saturn, Uranus, and Neptune are known as what type of Giants?

How many stars make up the Big Dipper?

Circle the hottest planet in our Solar System.