According to the big bang theory how long ago did the universe started? ?

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

Anybody wanna ? (picture included? )

The arrival of in the early days of europa’s existence could have formed its ocean. it is likely that the water experienced similar to earth. it is also possible that this water is retained beneath europa’s surface and in its atmosphere due to europa’s . 1.) a. precipitation b. water vapor c. icy debris 2.) a. gravitational compression b. biochemical cycling c. radiogenic heating 3.) a, gravity b. magnetic field c. heat energy for plato