Which layer of the sun is the hottest?

How long does it take gamma rays to escape the Radiation Zone?

Which layer of the sun do we see?

What do we call the feature at D?

What do we call the feature at B?

Which stage of a star's life cycle is the longest?

What is the first stage of a star's life cycle; when a contracting mass of gas first begins to form a star?

What stops the gravitational collapse of a star?

Stars use fusion to convert elements into heavier elements. When a star runs out of which element will it begin to collapse?

Which size of star has the shortest life span?

Which star progression path will our sun take?

Which outcomes do high mass stars end up as? (Pick as many as needed)

A very high mass star ends up as what object after supernova?

What distance do astronomers use to describe a star's brightness?

Which color of star is the hottest?

If a star is to become a black hole, its mass must be how much bigger than our sun?