What are stars made of?

Igor: "I think it's impossible to know what stars are made of."

Bonnie: "I think astronauts are able to take samples that astronomers can look at to swee what they are made of."

Olympia: "Astronomers can tell what our Sun is made from, and that tells them what stars are made of."

Sophia: "I think astronomers examine the light given off by a star to see what it's made of."

Aida: "When shooting stars fall to Earth, some pieces are left. Astronomers take them to the lab to see what they're made of."