Answered

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Which of the following is a star that expands due to fusion?
A. black hole
B. galaxy
C. constellation
D. supergiant

Sagot :

D. Supergiant.
A black hole is a point in space that has such a high gravitational pull, it even sucks light from the places around it. A galaxy is a cluster of stars and space debris. A constellation is a pattern found in the stars to make a shape.
AL2006
A).  No.  A black hole is super contracted, not expanded.

B).  No.  A galaxy is a collection of billions and billions of stars.

C).  No.  A constellation is just some stars that happen to be
             near each other in our sky.

D).  Yes.  A supergiant used to be a normal star but has expanded giantly.
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