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The Big Bang

13.7 Billion Years Ago...

The Big Bang is an accepted theory of how how the 

universe began.

With everything starting in a hot, dense singularity 

which suddenly started to expand and cool at a 

great speed.

The singularity spread out as matter began to form, 

along with the first particles and atoms.

The atoms formed together to create elements.

And the universe continues to expand to this day.

The Sun was created by what most 

scientists believe to be a giant 

rotating gas cloud known as "The 

Solar Nebula". Eventually as it 

became denser, the cloud began to 

collapse in on itself and became 

flattened into a disk while spinning 

much faster. Material was 

continuously drawn into the center by 

gravity which eventually formed the 

sun.

The Sun

4.6 Billion Years Ago...

Mercury was formed in a way similar to 

most other planets. As the sun grew 

with dust being drawn through the 

developing system, some of it began to 

clump together just outside of the sun 

and began to form a planet in it's own 

right. Many theories arose attempting to 

figure out Mercury's odd interior. Though 

most believe it was due to the then 

unstable sun, which blasted away a 

great deal of it's crust, leaving a 

disproportionate ratio of material.

Dust and space junk then formed 

slightly out of Mercury's orbit, 

forming Venus. Venus is a hot, dry 

little planet that is commonly 

referred to as the sister of Earth. Its 

atmosphere is filled with deadly 

sulfur gas, thought to be created 

when the volcanoes on the surface 

erupted and sent the gas spewing 

into the sky. Over the millions of 

years Venus' existence, the surface 

has been etched with numerous 

canals, formed from intense lava 

flows.

Now Earth, here's a planet we know much more about. After 

the basic proto planet had formed, it began to grow by 

accretion until its core was hot enough for it to melt and gain 

much more mass. Allowing the planet to draw in more 

material to add on to it. The elements found in the solar 

nebula   began to wrap around the Earth, forming a primitive 

atmosphere. 

The moon is also an important part 

in the creation of Earth. Most 

scientists believe what is called the 

"Giant impact hypothesis", where 

proto Earth had a tremendous 

collision with another developing 

world. The debris forming our 

current satellite. Soon afterward, 

Volcanoes on the surface began to 

violently erupt.

The gases released by these volcanoes 

were just the thing to finish off the 

atmosphere. At this point, due to space still 

being quite violent, more comets and proto 

planets continued to crash into Earth, these 

not only created craters, but this space 

junk held water, which created the Earth's 

oceans.

Finally, continental plates had been 

slowly developing due to 

subterranean activity. When they 

were finished, the Earth had been 

formed.

Mars, often described as "The Red 

Planet", it is a cold little planet that 

comes right after Earth. It is 

interesting to note that this planet 

might have been flooded in it's past. 

Photographs have shown canals that 

could have only been formed by 

great rives and oceans, though due 

to the planets incredibly thin 

atmosphere, the water did not last 

as long as we would have hoped. 

And while the planet has ice caps, 

they are comprised of solidified CO2, 

or dry ice.

Jupiter, the largest of the planets, 

is what is known as a gas planet. 

While, it is quite large, a majority 

of the planet is simply gaseous 

chemicals, with the core being 

made of liquid metallic hydrogen. 

Of course, due to being a gas 

planet, Jupiter was formed much 

differently.

                                               After the core had 

been formed, it began drawing in material clouds of 

smaller particles of space dust and other gases, it's 

now made up of mostly ammonia ice and ammonium 

hydrosulfide.

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