Find out how and when did the universe start from astronomers, those who study the universe, visit: http://mocomi.com/how-and-when-did-the-universe-start/

1. How and When did
the Universe start?
Astronomers are scientists who study the universe.
Many of them believe that the universe began about
15 billion years ago. They think that at first the
universe was very, very small and made from
completely different materials than it is today. Soon
after it began, the universe started to spread out
very rapidly. This growth is now called the Big Bang
because it was so fast it was like an explosion.
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Geography for Kids
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2. How and When did
the Universe start
Before the Big Bang, the universe was the size of a
pinhead. Then it expanded so rapidly that it was like
an explosion. There was a great flash of light and
intense heat of billions and billions degrees Celsius.
There is nothing in the universe today that is as hot
as that.
The Big Bang
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3. After the Big Bang, the universe continued to spread
out and cool slowly. At first, it seemed a hazy mass.
As time passed, gases began to form and parts of
the universe became clearer.
The universe began to clear up
How and When did
the Universe start
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4. Huge clouds formed
How and When did
the Universe start
As the universe kept spreading out, gases came
together to form huge clouds known as
proto-galaxies. The proto-galaxies eventually gave
birth to stars.
The universe today
Stars, gas and dust came together to form groups
called galaxies. Galaxies can contain billions of stars.
Today, the universe is made up of billions of galaxies.
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5. Make your own universe by looking up the craft idea
"solar system mobile" on www.mocomi.com
Get to know more about our universe by looking up
our 'General Knowledge' pages on www.mocomi.com
PROJECT
How and When did
the Universe start
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