HR Diagram and Lifecycle of a Star

Front

What happens to stars as we move to the left on the HR Diagram?

Back

Stars get hotter.

Front

What is the most important characteristic of a star?

Back

Mass.

Tags

NGSS.HS-ESS1-1

Front

In the distant future, what will happen to our Sun as it runs out of fuel?

Back

It will transition into a Red Giant.

Tags

NGSS.HS-ESS1-1

Front

How does the mass of the Sun change when it becomes a Red Giant?

Back

The giant star will have the same mass as our Sun.

Front

How is our Sun classified compared to other stars?

Back

It is considered medium size with medium temperature.

Front

What temperature does hydrogen begin to change into helium in stars?

Back

10,000 degrees Celsius.

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Front

What process occurs when hydrogen changes into helium and energy is released?

Back

Nuclear fusion.

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Front

What is the significance of the HR Diagram in understanding stars?

Back

It shows the relationship between the stars' temperature, luminosity, and evolutionary stages.

Front

What are the main stages in the lifecycle of a star?

Back

Main sequence, Red Giant, Supernova, Neutron Star or Black Hole.

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Front

What determines the lifecycle of a star?

Back

The initial mass of the star.

Tags

NGSS.HS-ESS1-1