Exploring Star Clusters

What are the three main characteristics used to classify star clusters?

• Color, shape, and number of stars

• Mass, density, and composition

• Size, brightness, and distance

• Temperature, age, and location

Which of the following is true about open star clusters?

• They have a defined shape

• They are metal-rich

• They are typically found in the halo of the galaxy

• They contain young, hot, blue stars

Where in the galaxy are open star clusters typically located?

• In the galactic core

• In the halo of the galaxy

• In the outer rim of the galaxy

• In the disk or arms of the Milky Way

Which open star cluster is known for being visible to the naked eye and is located in Taurus?

• Messier 44

• The Pleiades

• Omega Centauri

• Messier 13

What is a characteristic feature of globular star clusters?

• They are spheroidal in shape

• They are metal-rich

• They contain young stars

• They have no defined shape

Globular star clusters are typically found in which part of the galaxy?

• Near the galactic core

• In the galactic disk

• In the spiral arms

• In the halo of the galaxy

Which of the following is an example of a globular star cluster?

• The Pleiades

• Omega Centauri

• Messier 6

• The Hyades

What is a common feature of both open and globular star clusters?

• They both have a defined shape

• They both contain young, blue stars

• They are both groups of stars bound by gravity

• They are both found in the galactic halo

Which type of star cluster is typically older and more massive?

• Both are equally old

• Open star clusters

• Neither, they are both young

• Globular star clusters

What is a key difference between open and globular star clusters?

• Open clusters are older than globular clusters

• Globular clusters are found in the disk of the galaxy

• Open clusters have no defined shape

• Globular clusters contain fewer stars