The big bang theory Flashcards
The BBT
A theory for how the universe evolved
How long ago was the BBT
13.5 billion years ago
What was before the BBT
Nothing
What was the original size of the universe? What was the temperature?
It was the size of a marble and it was extremely hot.
Within seconds the universe…
expands and cools
Hubbles law-
The universe is always expanding and galaxies get further and further from each other.
Order of radiation (lowest to highest)
1.) Radio
2.) Microwaves
3.) Infrared radiation
4.) visible light
5.) ultra violet radiation
6.) X-rays
7.) Gamma rays
Big crush theory -
The universe will colapse on itself or it has been and it’s just a continuous cycle.
Open universe theory -
The continuous expanding of the universe with no limits.
Types of galaxies
1.) Spiral (the milky way)
2.) Elliptical (like a spear)
3.) Irregular (blobs)