20 questions
How does a star produce elements heavier than iron (Fe)?
heat
supernova
rapid rotation
nuclear fusion
What is the sun made up of?
Hydrogen
Helium
Hydrogen and Helium
None of the Above
A stellar nebula is made up of...
clouds of gas
clouds of gas and dust
stars
planets
Our sun is known as a middle-aged, stable star. Also known as a ____________________.
Gas Giant
Nebula
Pulsar
Main Sequence Star