HR Diagram

Front

What is the location of the Sun in the Milky Way galaxy?

Back

The Sun is located in the Orion Arm of the Milky Way galaxy.

Front

What are the three main types of galaxies?

Back

Spiral, Irregular, and Elliptical.

Front

What type of galaxy is characterized by a smooth, featureless light profile and is often shaped like an ellipse?

Back

Elliptical galaxy.

Front

True or False: Giants are considered hotter than White Dwarfs.

Back

False.

Front

What type of stars are the hottest?

Back

Blue stars.

Front

What is the primary characteristic of a spiral galaxy?

Back

Spiral galaxies have arms that extend outward from the center, often containing young stars.

Front

What distinguishes irregular galaxies from other types?

Back

Irregular galaxies lack a defined shape and structure.

Front

What is the significance of the Hertzsprung-Russell diagram in astronomy?

Back

It classifies stars based on their luminosity and temperature.

Front

What color are the coolest stars?

Back

Red.

Front

What is the main difference between a giant star and a supergiant star?

Back

Supergiant stars are larger and more luminous than giant stars.