Each of the following lists two statements. Which two are the basic premises for the special theory of relativity?
A) 1. The laws of nature are the same for everyone.
2. The speed of light is the same for everyone.
B) 1. Everything is relative.
2. You can never really tell who is moving.
C) 1. You can't go faster than the speed of light.
2. Time is different for different people.
D) 1. The laws of nature are the same for everyone.
2. Everything is relative.
E) 1. The speed of light is the same for everyone.
2. You can't go faster than the speed of light.
Question 2
Which of the following is not a strong argument for the theory that some large elliptical galaxies formed as the result of galaxy collisions?
A) Elliptical galaxies dominate the population in dense galaxy clusters.
B) Some ellipticals have stars and gas that rotate opposite to the rest of the galaxy.
C) Some elliptical galaxies are surrounded by shells of stars.
D) Computer simulations predict that the product of a galaxy collision is generally an elliptical galaxy.
E) Galaxy collisions are common and most galaxies in the universe are elliptical.