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CCI02.02.02.- The Big Bang, Cosmology part 1: Crash Course Astronomy

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https://www.youtube.com/watch?v=9B7Ix2VQEGo
PEDRO ÁLVAREZ JIMÉNEZ
Quiz by PEDRO ÁLVAREZ JIMÉNEZ, updated more than 1 year ago
PEDRO ÁLVAREZ JIMÉNEZ
Created by PEDRO ÁLVAREZ JIMÉNEZ over 6 years ago
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Resource summary

Question 1

Question
In what consists the redshift phenomenon?
Image:
1 (binary/octet-stream)
Answer
  • Bodies of the universe move away
  • The bodies of the universe are approaching
  • None of them

Question 2

Question
What astronomer/s concluded the universe is expanding?
Image:
2 (binary/octet-stream)
Answer
  • Lamaitre
  • Slipher
  • Friedmann

Question 3

Question
What is the “lookback time”?
Image:
3 (binary/octet-stream)
Answer
  • Look at the sky is look at the past
  • Look at the sky is look at the future
  • The phenomenon that would make plausible “The Time Machine”

Question 4

Question
Galaxies are moving away from each other because they are clearly moving
Image:
4 (binary/octet-stream)
Answer
  • True
  • False

Question 5

Question
How old is the universe?
Image:
5 (binary/octet-stream)
Answer
  • 1382 million years
  • 3 times older than the Earth
  • More than 13.000 million years
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