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Did the Big Bang create everything in the universe?
In the early years, everything was made of gas. This gas, mostly hydrogen and helium, expanded and cooled. Over billions of years, gravity caused gas and dust to form galaxies, stars , planets, and more. The matter that spread out from the Big Bang developed into everything in the universe, including you.
How was the entire universe created?
Most astronomers think that the Universe was formed during an event called the Big Bang – a giant explosion which occurred between 10 and 20 billion years ago. During the Big Bang, all of the space, time, matter, and energy in the Universe was created.
Why did the universe expand after the Big Bang?
That’s because there was no space to expand through at the beginning of time. Rather, physicists believe the Big Bang created and stretched space itself, expanding the universe. As the early universe cooled, the matter produced in the Big Bang gathered into stars and galaxies.
Was there one big bang or many?
One Big Bang, or were there many? The universe is at least 986 billion years older than physicists thought and is probably much older still, according to a radical new theory. The revolutionary study suggests that time did not begin with the big bang 14 billion years ago.
What are the most confusing aspects of the Big Bang theory?
Another confusing aspect of the theory is the idea that at the very moment of the Big Bang, the universe existed in a single point, a singularity of infinite temperature and density. Although this is what the theory says, scientists think that’s where the Big Bang theory becomes inadequate.
Was the big bang actually an explosion?
Was the Big Bang Actually an Explosion? The big-bang theory was first proposed by Georges Lemaître in 1927 sans its contemporary name, which was coined in the 1950s. The common name has allowed for the beginnings of our universe to be too often depicted as a massive explosion similar to that of an epic supernova.