The beginning or our universe

The beginning

Was the big bang the beginning of our universe?

r

The big bang was the beginning of our universe

How old i our universe?

r

-scientists approximate that our universe is 13.7 billion years old-13.7 billion years ago is supposedly when the big bang took place

How big was our universe in the beginning?

r

Smaller then a point on a thumb tack, so hot, dense and full of energy. Creating an explosion which began the expansion and the universe has been growing from that point on.

Big bang

What is the big bang?

r

-An energetic eruption that gave birth to the expanding universe

what evidence do we have that the big bang really occured?

r

- It is a fact that our universe is continuously expanding-Scientists say if you rewind something that is expanding, it has to start from a beginning.

After

What happend after the big bang?

r

- existence of time

following the big bang

r

the beginning of time,space, and expansion of our growing universe. Which happends to be expanding still today

Expansion

What is expansion?

r

-The state of being expanded- From the point of the big bang our universe has been continuously expanding

Are there other theories?

why were these theories discarded

Multiuniverse theory

Multiple universes

Steady state theory

fred Hoyle

Universe constantly looks the same

Cause

What caused the big bang?

can it happen again?

Before

What existed if anything before the universe?

What proof do we have?

r

It is belived nothing existed before the big bang.However this breaks down our laws of physics

singularity

What is singularity?

extreme forces a

black holes

before existnce of the universe

Future

future of the universe

will there be an end?

Big crunch

what is the big crunch?

r

Scientists belive that eventually expansion will slow down, stop, and then reverse. The universe then will colapse in on itself.

Eddwin Hubble

Who is Eddwin hubble?

r

-Edwin Hubble observed that our universe is countinuosly growing-He discoverd that other galaxies are moving further and further away from us

Evudence of the big bang

Expanding universe

growing universe

formation of light elements

Light elements begin to form seconds after the big bang

Heavier elements form later in the core of stars

cosmic microwave background radiation

remnace of the extreme heat

observable through out the universe