The Universe Overview
How did the Universe form?
Through The Big Bang
What is The Big Bang Theory?
The scientific origin of the universe.
Whats the redshift do?
It stretches the wavelengths
What is keeping the stars and planets in place?
Gravity
What caused the Big Bang?
This still remains a major question
As the universe expanded is began to ______ ______?
Cool down
What is the beginning of everything we know?
The Big Bang
Whats the Doppler effect?
The change in the frequency of a wave
How do gravity and accretion contribute to the growth of planets?
Gravity pulling dust and gas together in an accretion disk to form planetesimals.
Whats Hubbles law?
A law stating that the red shifts in the spectra of distant galaxies are proportional to their distance.
If the universe is expanding, what is it expanding into?
Nothing, its just getting bigger
Was the Big Bang an explosion.
NO
Can we see red shift and blue shift with the naked eye?
NO
Why do stars form in cold, dense molecular clouds?
The low temperatures allow the gas pressure to be weak
Whats the biggest planet?
Jupiter
How old is the universe approximately?
13.8 billion years old
What existed before the Big Bang?
There is no scientific consensus on what existed before the Big Bang
What is the motion of a Blue shift?
The object is moving towards the observer.
What is the difference between a stellar nebula and a planetary nebula?
A stellar nebula is a general term, A planetary nebula is a specific type of nebula.
What's a hot dense beginning?
The state of the early universe according to the Big Bang theory