Lesson 7.1 The Universe

Multiple Choice

There are about 100 Billion Galaxies in

• the Milky Way

• the Galaxy

• the World

• the Solar System

Multiple Choice

There are 8 planets in

• the Milky Way

• the Galaxy

• the World

• the Solar System

Reorder

Put these in order from the smallest to the largest

• The Planet Earth

• The Solar System

• The Galaxy

• The Universe

1

2

3

4

• 1
• 2
• 3
• 4

Multiple Choice

Why do astronomers use light to measure distance in space?

• Nothing Travels Faster

• It's Easy to See in Space

• There's No Miles in Space

• It's a Simple Calculation

Dropdown

The ​

Select answer

universe is the limited part that we can see.