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In: Physics

draw hertzsprug russell diagram for an open star cluster and a globular cluster and discuss the...

draw hertzsprug russell diagram for an open star cluster and a globular cluster and discuss the differences

Solutions

Expert Solution

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The differences between HR diagrams of both open star cluster and globular clusters are follows:

Open star cluster :

  • HR diagram shows group of hundred of stars which are clustered openly .
  • Open cluster is filled with young stars that were born in nebula.
  • Open clusters are located in the spiral arm of milky way galaxy.
  • H R diagram shows the cluster of bright blue stars.
  • It contains irregularly shaped grouping of stars.

Globular cluster:

  • HR diagram shows tens of thousands to hundreds of thousands of stars.
  • Globular cluster is filled with old stars that were born when the universe was younger .
  • Globular clusters are located in the halo or bulge of a galaxy.
  • HR diagram shows the cluster of bright red giant stars.
  • It contains highly symmetrical balls of star.

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