
Smuggler's Run: CMB
Flashcard
•
Science
•
10th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What happens to waves as the universe expands?
Back
They stretch out.
2.
FLASHCARD QUESTION
Front
What is the change in wavelength that allows us to determine if an object is moving toward us or away from us?
Back
Redshift and Blueshift.
3.
FLASHCARD QUESTION
Front
What is Cosmic Background Radiation?
Back
The leftover energy from the Big Bang.
4.
FLASHCARD QUESTION
Front
Who were the scientists credited with first detecting the CMB radiation in 1965?
Back
Arno Penzias and Robert Wilson.
5.
FLASHCARD QUESTION
Front
Why is the glow of microwave light and not visible?
Back
Because the universe has expanded.
6.
FLASHCARD QUESTION
Front
What is Redshift?
Back
The phenomenon where light from an object moving away from us shifts to longer wavelengths.
7.
FLASHCARD QUESTION
Front
What is Blueshift?
Back
The phenomenon where light from an object moving toward us shifts to shorter wavelengths.
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