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Nicks ESPS study set

flash cards

QuestionAnswer
How old is the universe? 14 billion years old
what event began the universe the big bang
what are the forms of visible light indigo,blue,yellow,red,orange
what is a light year how far light travels in a year
red shift the light coming at us when a object is moving away
blue shift the light coming at us when a object is moving closer
what way is the universe moving every direction and is expanding
on the em spectrum different light show because different frequency makes different light
how does temputure relate to density the colder the object the closer the molecules and the denser it becomes
what are two ways you can increase gravity enlarge a object or get closer to the object
what are CMB's and why are they important it is the radiation from the big bang and it it the reason why the universe is still growing in every direction
how does densty relate to gravity directly the more density an object has the more gravity it has
what happens in the colder areas of CMB the colder areas have more gravity and often have more density
Stars and galaxies in the universe start in what type of temperature, density and gravity regions?
Describe what the different colors in the CMB represent and how they are related to temperature and density. the red are the hot temperatures and are not very dense of have much gravity, the blue has more gravity and often has more density.
Describe the relationship between, wavelength, frequency and energy? they are all directly connected because the more energy they wave the higher the frequency and the higher frequency the shorter the wave length
Describe and Explain how the Universe got from the big bang to how it looks today the universe kept expanding from CMB and moving everything and spreading everything apart to what it looks like now
Created by: king2332