RFS 2-26-24 - 2

These clusters are as old as the galaxy

• Open Cluster

• Globular Cluster

• Both

These clusters contain primarily red stars

• Open Cluster

• Globular Cluster

• Both

These clusters can contain blue stars

• Open Cluster

• Globular Cluster

• Both

These clusters contain cool stars

• Open Cluster

• Globular Cluster

• Both

These clusters are made of young stars

• Open Cluster

• Globular Cluster

• Both

These clusters have a few hundred stars

• Open Cluster

• Globular Cluster

• Both

These clusters are spherical in shape

• Open Cluster

• Globular Cluster

• Both

Some of these clusters are known to have a black hole at their centers

• Open Cluster

• Globular Cluster

• Both

Categorize stages in the lives of stars. Some of them refer only to massive stars, some to only sun sized stars, some to both, and some to neither. Order from youngest to oldest.

Groups:

(a) Sun Sized Star

,

(b) Massive Star

• White Dwarf

• Diffuse Nebul

• Blue main sequence star

• Red Giant

• Yellow Main Sequence Star

• Planetary Nebula

• Diffuse Nebula

• Super nova

• Proto star

• Neutron star or black hole

• Proto Star

• Red Supergiant

On your answer sheet indicate the letter which best indicates the position of each part of the galaxy. A choice can be used more than once.