What is universe?
Hello friends, in this post I will tell you what is the significant meaning of universe. So, most of you think 1.What is Universe? The Universe is all of time and space and its contents. [9] [10] [11] [12] It includes planets , moons , minor planets , stars , galaxies , the contents of intergalactic space , and all matter and energy . The size of the entire Universe is unknown. The earliest scientific models of the Universe were developed by ancient Greek and Indian philosophers and were geocentric , placing the Earth at the center of the Universe. [13] [14] Over the centuries, more precise astronomical observations led Nicolaus Copernicus (1473–1543) to develop the heliocentric model with the Sun at the center of the Solar System . In developing the law of universal gravitation , Sir Isaac Newton ( NS : 1643–1727) built upon Copernic...