Tina never understood why her uncle Ramses, an astronomer spends most of his time star gazing. To this, Ramses explained her saying that the position of a star seems to be changing with time. Ramses makes four statements in accordance with the practical application of what Tina studied in class. Which of the following is true with respect to stars and their possibilities of positioning?
Position of stars is variable
The position of the stars is not fixed it keeps varying. Hence, the position of a star can be related to a variable.