CCI02.03.01.- Star Clusters: Crash Course Astronomy

Question 1 of 5

1

About the orbit of stars, it is true that

Select one of the following:

Their orbits are all in the same plane
Their orbits are always around the biggest star
None of them

Explanation

Question 2 of 5

1

How can we know the age of a star cluster?

Select one of the following:

Observing its color
Observing its size
Observing the number of stars

Explanation

Question 3 of 5

1

In a globular cluster, what is the name of the part in which appears dispersed stars?

Select one of the following:

Core
Halo
None of them

Explanation

Question 4 of 5

1

How do we know globular are older than the other?

Select one or more of the following:

It is suppose they were the first bodies to form
Their biggest stars are smaller than the Sun
None of them

Explanation

Question 5 of 5

1

Why in globulars is less probable to find planets?

Select one of the following:

They do not contain heavy metals
They are very package
Both are correct

	Created by PEDRO ÁLVAREZ JIMÉNEZ over 6 years ago

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CCI02.03.01.- Star Clusters: Crash Course Astronomy

CCI02.03.01.- Star Clusters: Crash Course Astronomy

Question 1 of 5

About the orbit of stars, it is true that

Select one of the following:

Explanation

Question 2 of 5

How can we know the age of a star cluster?

Select one of the following:

Explanation

Question 3 of 5

In a globular cluster, what is the name of the part in which appears dispersed stars?

Select one of the following:

Explanation

Question 4 of 5

How do we know globular are older than the other?

Select one or more of the following:

Explanation

Question 5 of 5

Why in globulars is less probable to find planets?

Select one of the following:

Explanation