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CCI02.03.01.- Star Clusters: Crash Course Astronomy

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https://www.youtube.com/watch?v=an4rgJ3O21A&list=PL8dPuuaLjXtPAJr1ysd5yGIyiSFuh0mIL&index=35
PEDRO ÁLVAREZ JIMÉNEZ
Quiz by PEDRO ÁLVAREZ JIMÉNEZ, updated more than 1 year ago
PEDRO ÁLVAREZ JIMÉNEZ
Created by PEDRO ÁLVAREZ JIMÉNEZ about 7 years ago
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Resource summary

Question 1

Question
About the orbit of stars, it is true that
Image:
1 (binary/octet-stream)
Answer
  • Their orbits are all in the same plane
  • Their orbits are always around the biggest star
  • None of them

Question 2

Question
How can we know the age of a star cluster?
Image:
2 (binary/octet-stream)
Answer
  • Observing its color
  • Observing its size
  • Observing the number of stars

Question 3

Question
In a globular cluster, what is the name of the part in which appears dispersed stars?
Image:
3 (binary/octet-stream)
Answer
  • Core
  • Halo
  • None of them

Question 4

Question
How do we know globular are older than the other?
Image:
4 (binary/octet-stream)
Answer
  • It is suppose they were the first bodies to form
  • Their biggest stars are smaller than the Sun
  • None of them

Question 5

Question
Why in globulars is less probable to find planets?
Image:
5 (binary/octet-stream)
Answer
  • They do not contain heavy metals
  • They are very package
  • Both are correct
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