Quite often we are shaken by predictions about the future of the universe. The soothsayers and astrologers often predict or forecast doom and prescribe remedies in the form of appeasing the wrathful planets and deities and so on by performing religious rites and charity.
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We now know much about scientific laws that govern matter in all normal situations. But we still do not know the laws that govern matter in very extreme conditions. Unless we know those laws we cannot understand how the universe began.
Edwin Hubble observed that the galaxies in the universe are not stationary but are moving away from one another at a large speed. According to Doppler Effect, if the source of light moves towards us, then…
There are billions of stars in the universe. In addition, there are innumerable other heavenly bodies such as planets, asteroids, noons, etc. These various heavenly bodies in the universe are separated by very large distances. These distances are so large that the ordinary units of length fall extremely small for measuring them.