what is time? what is its definition? how does it define the universe?? WHAT IS TIME?????????
Answers
Answer:
The physical universe is defined as all of space and time (collectively referred to as spacetime) and their contents. Such contents comprise all of energy in its various forms, including electromagnetic radiation and matter, and therefore planets, moons, stars, galaxies, and the contents of intergalactic space.
Answer:
Time is the continued sequence of existence and events that occurs in an apparently irreversible succession from the past, through the present, into the future. ... Time in physics is operationally defined as "what a clock reads".
The universe (Latin: universus) is all of space and time and their contents, including planets, stars, galaxies, and all other forms of matter and energy. ... According to estimation of this theory, space and time emerged together 13.799±0.021 billion years ago, and the universe has been expanding ever since.