Time is passing non-stop, and we follow it with clocks and calendars. Yet we cannot study it with a microscope or experiment with it. And it still keeps passing. We just cannot say what exactly happens when time passes.
Time is represented through change, such as the circular motion of the moon around Earth. The passing of time is indeed closely connected to the concept of space.
According to the general theory of relativity, space, or the universe, emerged in the Big Bang some 13.7 billion years ago. Before that, all matter was packed into an extremely tiny dot. That dot also contained the matter that later came to be the sun, the earth and the moon — the heavenly bodies that tell us about the passing of time.
Before the Big Bang, there was no space or time.
“In the theory of relativity, the concept of time begins with the Big Bang the same way as parallels of latitude begin at the North Pole. You cannot go further north than the North Pole,” says Kari Enqvist, Professor of Cosmology.
One of the most peculiar qualities of time is the fact that it is measured by motion and it also becomes evident through motion.
According to the general theory of relativity, the development of space may result in the collapse of the universe. All matter would shrink into a tiny dot again, which would end the concept of time as we know it.
WHAT IS TIME AND WHAT CAUSES TIME?
For thousands of years, philosophers and scientists have struggled to understand the phenomenon of time. We have known for the last one hundred
years about time dilation or slowing of time with motion and in gravity yet the true understanding of time have evaded us. I am presenting here a clear
solution to the enigma of time which brings to light the reason behind many predictions of Special and General Relativity such as why time slows with
motion and in gravity? What is the cause of gravity and why it is only attractive? Why is space curved by gravitational fields? Why objects gain mass
when accelerated by a force but do not gain mass when falling in gravity? What is the cause of inertia and length contraction and why there cannot be
a twin paradox?
THE MANY FACETS OF TIME
Time presents to us in many different ways. We measure time, keep time, meet and greet in time and our daily lives are completely wrapped around
the onward rush of time. We perceive time as past present and future. Events in time are always accompanied by a mental image of a place
suggesting that time is a dimension. This has sprung a whole culture around the concept of time travel leading to numerous science fiction stories, and
movies. In physics, time plays a major role in the measurement of motion and forces. The many facets of time should suggest that time is an emergent
phenomenon that is arising from some underlying process that we need to identify.
The greatest breakthrough in the understanding of time occurred about a hundred years ago with Einstein’s theories of Special and General relativity
in which he introduced the concept of slowing of time with motion and in gravity. Einstein also showed that large masses curve space and there is an
increase in mass with acceleration by application of a force. These discoveries of Einstein provide the necessary clues to solving the riddle of time.