Stars and components Flashcard

Front

What is the name of the galaxy that contains our solar system?

Back

Milky Way

Front

What happens to the temperature of stars as you move left on the Hertzsprung-Russell diagram?

Back

Stars get hotter.

Front

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

Back

Elliptical galaxy.

Front

What type of galaxy has a distinct spiral structure with arms extending from the center?

Back

Spiral galaxy.

Front

What type of galaxy is irregular in shape and does not fit into the standard classifications?

Back

Irregular galaxy.

Front

What is the primary component of a galaxy that is responsible for its light and energy?

Back

Stars.

Tags

NGSS.HS-ESS1-1

Front

What is the term for the region of space where stars are formed within a galaxy?

Back

Nebula.

Front

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

Back

It classifies stars based on their luminosity and temperature.

Front

What are the three main types of galaxies classified by their shape?

Back

Elliptical, spiral, and irregular.

Front

What is the main difference between elliptical and spiral galaxies?

Back

Elliptical galaxies have a smooth, featureless light profile, while spiral galaxies have distinct arms.