The cosmic microwave background
Chapter 1
The accidental discovery
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Chapter 2
The universe's first light
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Chapter 3
Mapping the baby universe
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Chapter 4
Deciphering the cosmic recipe
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YOUR GOAL
Master of The cosmic microwave background
Ch 3 · Mapping the baby universe
Fun Fact
Space map trophy: The lead scientists of the COBE satellite won the 2006 Nobel Prize for taking the first "baby picture" of our universe.
Quiz
Which space agency launched the Planck satellite in 2009 to map the cosmic microwave background?
Quiz
What are the tiny temperature variations in the cosmic microwave background called?
Quiz
What shape is the map of the cosmic microwave background usually projected as in scientific diagrams?
Quiz
What do the denser, cooler regions in the cosmic microwave background maps represent?
Quiz
Which NASA satellite launched in 2001 succeeded COBE to map the cosmic microwave background in much higher detail?
Quiz
What is the mysterious, unusually chilly region found in cosmic microwave background maps called?