Suppose You Observe Three Star Clusters

question 61

Essay

Suppose you observe three star clusters. Cluster 1 has a main-sequence turnoff point at spectral type G, Cluster 2 has a turnoff point at spectral type A, and Cluster 3 has a turnoff point at spectral type B. Which cluster is youngest and which is oldest? Explain why. What is the approximate age of the oldest cluster?

---

Definitions:

Abdominal Fat

Fat stored in the abdominal area, considered harmful due to its association with increased risk of chronic diseases.

Apple-Shaped Distribution

A body shape where excess fat is stored around the waist and abdomen, typically considered a risk factor for cardiovascular and metabolic diseases.

Android

An operating system developed by Google for mobile devices, but also inaccurately applied to describe any robot with a human-like appearance.

Fat Cells

Cells that specialize in storing energy in the form of fat, also known as adipocytes.