Respuesta :
Answer:
Some examples of events that could cause a gravitational wave are: when a star explodes asymmetrically (called a supernova) when two big stars orbit each other
Explanation:
when a star explodes asymmetrically (called a supernova)
when two big stars orbit each other.
when two black holes orbit each other and merge.
when two big stars orbit each other.
when two black holes orbit each other and merge.