Quote Originally Posted by b_jonas View Post
Pete knows that because the entire Cataclysm beam was visible in the sky at once when viewed from close to the Peace Moon Takodana (where the beam was fired from) in #2038 and #2039. This may be out of character knowledge, because his character Rey was in Chandrilla at the time, but we don't know where R2-D2 was or what information he has.
I feel like the starting premise is bad here, you can't actually see a beam of light that bypasses you. Whatever it is, it ain't light that you're seeing cut through space.