THE CMB EXAM QUESTIONS AND VERIFIED
DETAILED ANSWERS
When does the CMB form? - Answer 14 billion years ago
What is the Cosmic Microwave Background? - Answer Evidence of big bang
What key event occurred during cosmic history to create the CMB? - Answer The
accidental discovery of penzias and wilson called microwaves.
How do temperature & density relate—why? - Answer Depending on the temperature of
something the density will be high or low.
which electromagnetic wave has the highest frequency? - Answer gamma rays
the equation for density is: - Answer d=mass/volume
Something more dense then water? - Answer rock
Something less dense then water? - Answer vegetable oil
as things cool down their size ( ) decrease so they become more ( ). - Answer volume
and dense
everything with matter will attract everything with ( ) - Answer matter
ways to increase gravity? - Answer more mass,decrease distance
DETAILED ANSWERS
When does the CMB form? - Answer 14 billion years ago
What is the Cosmic Microwave Background? - Answer Evidence of big bang
What key event occurred during cosmic history to create the CMB? - Answer The
accidental discovery of penzias and wilson called microwaves.
How do temperature & density relate—why? - Answer Depending on the temperature of
something the density will be high or low.
which electromagnetic wave has the highest frequency? - Answer gamma rays
the equation for density is: - Answer d=mass/volume
Something more dense then water? - Answer rock
Something less dense then water? - Answer vegetable oil
as things cool down their size ( ) decrease so they become more ( ). - Answer volume
and dense
everything with matter will attract everything with ( ) - Answer matter
ways to increase gravity? - Answer more mass,decrease distance
