Which of the following is a statement of the cosmological principle?
A)The universe has always looked the same
B)The universe looks the same to all observers everywhere
C)The mass and composition of a star determine its entire evolution
D)The universe will eventually begin to collapse

Question

Quizplus · Accepted Answer

The cosmological principle states that the universe looks the same (i.e. exhibits the same physical laws and structures) to all observers everywhere. Choice A is incorrect as the principle does not state that the universe has always looked the same. Choice C is incorrect as it pertains to stellar evolution rather than the behavior of the universe as a whole. Choice D is incorrect as it pertains to a specific cosmological model (the Big Crunch) rather than a general principle.

Which of the Following Is a Statement of the Cosmological