HR Diagram

Front

What factor affects the color of a star?

Back

Surface temperature of the star.

Front

What type of star has a high temperature and a high luminosity?

Back

Blue Giants.

Front

Is the luminosity of Red Giant stars higher or lower than Red Supergiants?

Back

Lower.

Front

What type of star has a high temperature and a low luminosity?

Back

White Dwarfs.

Front

What type of star has a low temperature and a high luminosity?

Back

Red Supergiants.

Front

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

Back

A star's color is determined by its surface temperature; hotter stars appear blue, while cooler stars appear red.

Front

What is the definition of luminosity in the context of stars?

Back

Luminosity is the total amount of energy emitted by a star per unit time, often measured in watts.

Front

What are the characteristics of a Blue Giant star?

Back

Blue Giants are massive stars with high temperatures and high luminosity, often found in the upper left region of the HR diagram.

Tags

NGSS.HS-ESS1-3

Front

How do Red Giants differ from Red Supergiants in terms of size and luminosity?

Back

Red Supergiants are larger and more luminous than Red Giants.

Front

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

Back

The HR diagram is a scatter plot of stars showing the relationship between their absolute magnitudes or luminosities versus their stellar classifications or effective temperatures.