If we were to intercept a signal from a civilization that was sent to another of its colonies on the other side of the galaxy, this would be an example of
A) a signal used for communication between a civilization's home world and another star system
B) a signal used for local communication the world where the intelligent beings exist
C) a signal used for communication between a civilization's home world and another planet in its own planetary system
D) an intentional signal beacon
Question 2
According to Einstein's general theory of relativity, rotating reference frames cannot be distinguished from gravitational acceleration.
Indicate whether the statement is true or false