Big Bang Flashcards
The Big Bang Theory says the
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, or universe?
Universe
Our solar system is part of what galaxy?
Milky Way
Light waves and sounds 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, 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
