Big Bang 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, of universe
Universe
Our solar system is part of what galaxy?
The 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, but if it’s moving away, it’s showing ________shift
Blue red
The Doppler affect causes light to change____ and sound to change ______
Color and 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 the star light shows the universe
Expanding
The first three stages of a stars life in order are
Nebula, Protostar, and MainSequence
Our sun is currently in what stage
The main sequence
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