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The earliest scientific models of the Universe were developed by Ancient Greek and Indian philosophers and were Ptolemaic, putting Earth at the middle of it. Over the centuries, a lot of precise astronomical observations light-emitting diode stargazer to develop the heliocentric model with the Sun at the middle of the system.
In developing the law of universal gravitation, Sir physicist engineered upon Copernicus’ work in addition as observations by Tycho Brahe and Johannes Kepler’s laws of planetary motion.
Many of the celebrities in our galaxy have planets. At the biggest scale galaxies, are distributed uniformly and also the same all told directions, that means that the Universe has neither a position nor a middle.
Smaller scales, galaxies are distributed in clusters and superclusters that type huge filaments and voids in the area, making a colossal foam-like structure. Discoveries in the early 20th century have suggested that it had a beginning and that space has been expanding since then, and is currently still expanding at an increasing rate.