Respuesta :
Answer:
1. Microwave Background - Very early in its history, the whole Universe was very hot. As it expanded, this heat left behind a "glow" that fills the entire Universe. The Big Bang theory not only predicts that this glow should exist, but that it should be visible as microwaves - part of the Electromagnetic Spectrum. This is the Cosmic Microwave Background which has been accurately measured by orbiting detectors, and is very good evidence that the Big Bang theory is correct.
2. Redshift of Galaxies - The redshift of distant galaxies means that the Universe is probably expanding. If we then go back far enough in time, everything must have been squashed together into a tiny dot. The rapid eruption from this tiny dot was the Big Bang.
3. Mixture of Elements - As the Universe expanded and cooled down, some of the elements that we see today were created. The Big Bang theory predicts how much of each element should have been made in the early universe, and what we see in very distant galaxies and old stars is just right.
Explanation:
The Big Bang Theory describe the origin of the planets, stars, galaxies and the universe as a whole. Scientists believe that the Big bang was the very starting of the formation of this universe. Scientists formulated that the Big Bang occurred about 13.74 billion years ago.
What happened at the time of the Big Bang?
The Universe beginning expanding and getting bigger and bigger, forming more space. Electrons and protons came into alive. Gravity came into alive. The protons and electrons which got lost in space, join together to form hydrogen atoms. These atoms made nebulas, a group of atoms and molecules, which then arise into stars.
Our Universe is just a small part and there are many other universes which exist. We human live in a multiverse because this idea came from the big bang that might have given rise to bubble which expanded in their own time.
In 1920’s, Astronomer Edwin Hubble discovered that the Universe is not static because it is expanding and contracting continuously.
There is a dark energy which is forming the Universe expand and enhancing at a larger rate than it did many years ago.
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