Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.

Example Input: Question: What forces keep the moon orbiting the earth? Answer: gravitational
Example Output: This photograph was taken by Apollo 8 crewmember Bill Anders on December 24, 1968, showing the Earth rising above the lunar surface. Gravitational forces keep the moon orbiting the Earth.

Example Input: Question: The length of a rectangular surface multiplied by its width is equal to what? Answer: area
Example Output: The area of a rectangular surface is calculated as its length multiplied by its width.

Example Input: Question: What are four children born at one birth called? Answer: quadruplets
Example Output:
QUADruplets are four children born at one birth.