Nicholas Copernicus

What do people who study astronomy learn about?

• Animals and plants

• Stars and space

• Cars and trucks

• Toys and games

What was the old idea called where people thought Earth was in the middle?

• Heliocentric

• Geocentric

• Earth-centric

• Star-centric

A long time ago, what did people think was in the middle of our solar system?

• The Moon

• The Sun

• The Earth

• A big star

What new tools help us learn more about space today?

• Books and pencils

• Artificial satellites and telescopes

• Balls and jump ropes

• Crayons and paper

What are scientific ideas based on?

• Just guessing

• What people wish was true

• Looking closely and facts

• Stories from long ago

What did people see in the night sky a long, long time ago?

• Only the moon

• Stars that moved in circles

• Planets that stayed still

• Big, colorful clouds

What funny thing did some planets sometimes do in the sky?

• They would disappear

• They would make a backward loop

• They would change colors

• They would sing songs

What did Copernicus think was in the middle of our solar system?

• The Earth

• The Moon

• The Sun

• A big star

Why did some people not believe Copernicus's idea about Earth spinning?

• They thought they would fly off into space

• They thought the sky would fall down

• They thought the moon would crash

• They thought the stars would stop shining

Who used a special looking glass to see that moons go around Jupiter, not Earth?

• Copernicus

• Aristarchus

• Galileo

• A little boy