Answer:
Option (1)
Step-by-step explanation:
According to the Cosmological principle, the universe came into existence from the big bang explosion. After which the universe has been constantly expanding in all the directions with all same homogeneous matter in it. The force that is generated due this explosion is uniformly distributed in all directions in the space.
This effects of the big bang explosion may also change in due course of time because of various factors and thereby, undergoing evolution and bringing changes to the existing scenerio.
Thus, the correct answer is option (1)