Front

What is the primary factor that determines a star's brightness?

Back

A star's brightness is primarily determined by its size and temperature.

Front

True or False: All stars emit the same amount of light regardless of their size and temperature.

Back

False

Front

What stage of the stellar life cycle is our sun currently in?

Back

Main Sequence

Front

What property of a star is indicated by its color?

Back

Temperature

Front

What are blue main sequence stars characterized by?

Back

They are hot and bright.

Front

True or False: The largest stars are always the hottest stars.

Back

False

Front

What is the relationship between a star's temperature and its color?

Back

A star's temperature determines its color; hotter stars appear blue, while cooler stars appear red.

Front

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

Back

The Hertzsprung-Russell diagram classifies stars based on their luminosity and temperature.

Front

What type of star is typically found in the upper left corner of the Hertzsprung-Russell diagram?

Back

Hot, luminous stars, often referred to as blue giants.

Front

What is the life cycle stage that follows the main sequence for a star like our sun?

Back

Red Giant stage.