Question

what happens when a star runs out of fuel?
o a it slowly cools and becomes a comet
o b it collapses and explodes as a supernova
o c it turns into a new planet
o d it becomes part of another galaxy
question 9 (1 point)
where did our sun form about 5 billion years ago?
o a in a nebula
o b in a galaxy collision
o c in the hadean eon
o d on the surface of jupiter

Explanation:

When a star runs out of fuel, its core collapses under gravity. For massive stars, this leads to a supernova explosion. Stars form from the gravitational collapse of gas - dust clouds called nebulae.

Answer:

For the first question: B. it collapses and explodes as a supernova
For the second question: A. in a nebula