How can supernovas form?
A. When a white dwarf adds too much matter from another star
B. When a star’s fuel runs out and it explodes
C. In a nebula due to the force of gravity
D. Both A & B
Where do supernovas take place?
A. Between galaxies
B. In galaxies throughout the universe
C. In the center of the universe
D. Along the edge of the universe
What role do supernovas play in the universe?
A. They create all the sound we hear on Earth
B. They provide water to planets
C. They clean up the remains of stars
D. They spread matter and elements throughout the universe
