Big Bang Flashcards
The Big Bang theory say
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
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 an object moves
True
If light is moving towards you it will show a _____ shift, moving away a _____ shift
Blue, red
The dropper affect causes light to change ____ and sound to change _____
Color, pitch
When an object is 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
Nebula
Protostar
Main sequence star
Our sun is currently is 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