What Is the Sun Made Of? | Dr. Cecilia Payne-Gaposchkin

What is the sun?

• A planet

• A moon

• A star

• A rock

What did people think stars were made of a long time ago?

• Hydrogen

• Iron

• Helium

• Water

How did Dr. Cecilia Payne-Gaposchkin figure out what the sun was made of?

• By looking at the color of its light

• By touching it

• By listening to its sounds

• By tasting it

What two things are stars like the sun mostly made of?

• Water and air

• Hydrogen and helium

• Rocks and dirt

• Iron and gold