When
it was 3 minutes the temparature was about 108 degrees Centigrade,
still too hot to form into atoms and charged electrons & protons prevent light
from shining. The universe was a superhot fog.
By
the time the universe was 10 minutes old, it was already 1000s of light years
in diameter. After that it spread out
and cooled for about 330,000 years, when finally the fog cleared up and the
universe became visible. Electrons combine with Protons to form mostly
Hydrogen.
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| picture of Universe when it was 300,000 years old. |
When
the Universe was 1billion years old the temparature was -2000C. The
force of gravity made Hydrogen and Helium gas to collate to form the giant
clouds that became galaxies and smaller clumps of gas formed the first
stars.
 |
| picture of Universe when it was 1 billion years old |
13.5
billion years ago the universe was mostly hydrogen gas, gravity pulling it
closer to vast clouds. Hydrogen is the
simplest of gasses, but it has a very special property. It is a tremendous
source of power. Heat hydrogen to 10 millions degress and it begins to produce
energy that makes the stars shine and supply the universe with warmth and
light.
 |
| Hydrogen atom |
When
vast amount of hydrogen gas is compressed to smaller and smaller space and as
the hydrogen gas compacts, the atoms of the gas start dancing each other and
the temperature begins to rise by the time. When compressed to very small space
the hydrogen reaches the critical 10 million degrees and a process called
‘nuclear fusion’ begins. The hydrogen starts to fuse together making a new
heavier material Helium. With every step
of this tiny bumpy grain, some matter gets converted into pure energy. A star is created.
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| Nuclear Fusion |
The
first star burst into life, pouring its energy into the vast universe,
according to the laws of nature and the raw material left behind from the big
bang. It was almost a 1000 times bigger than our sun and burnt a deep
blue. Later many stars were born.
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| Nuclear fusion in star |
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