The Big Bang Theory Flashcards
The Big Bang Theory says ___________________ ________________.
Universe started from point and is still expanding
The Big Bang Theory is an explanation of the start of the ______
Universe
A theory and a law are the same thing
False
Which is larger Galaxy, Planet, Universe
Universe
Our solar system is part of what galaxy?
Milky Way
Light waves and sound waves are affected the same way when an object moves
True
If light is moving toward you it will show a _____
shift, moving away a ______ shift blue
Blue, red
The Doppler affect causes light to change _________ and sound to change _________
Color, pitch
When an object is not moving the waves ______
Stay the same size
A piece of evidence for the Big Bang theory is
Red shift of star light
The red shift of star light shows the universe is __________
Expanding
The first three stages of a stars life in order are
Nebula
Protostar
Main sequence star
Our sun is currently in what stage?
Main sequence star
Which stage is fusing hydrogen into helium
Main sequence star
A constellation is what?
A group of stars that make an image in the sky