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CCI02.03.01.- Star Clusters: Crash Course Astronomy

Descripción

https://www.youtube.com/watch?v=an4rgJ3O21A&list=PL8dPuuaLjXtPAJr1ysd5yGIyiSFuh0mIL&index=35
PEDRO ÁLVAREZ JIMÉNEZ
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Resumen del Recurso

Pregunta 1

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

Pregunta 2

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

Pregunta 3

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

Pregunta 4

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

Pregunta 5

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