A Star Turns Inside Out Quiz

What did Carl Sagan mean by 'We Are Star Stuff'?

• Humans can become stars.

• Stars are made of human elements.

• Stars are living entities.

• Humans are made of stardust.

What were the primary elements present in the universe right after the Big Bang?

• Magnesium, neon, and oxygen

• Iron, sulfur, and silicon

• Hydrogen, helium, and lithium

• Carbon, nitrogen, and oxygen

How did the first stars contribute to the creation of heavier elements?

• Through gravitational collapse

• By absorbing light elements

• Through nuclear fusion processes

• By colliding with other stars

What significant discovery was made about the supernova Cassiopeia A?

• It is moving away from Earth at a rapid pace.

• It turned itself inside out during the explosion.

• It was the first star to form in the universe.

• It contained no heavy elements.

What role do supernova explosions play in the universe?

• They create new galaxies.

• They destroy all nearby planets.

• They distribute heavy elements into space.

• They absorb light from other stars.