H-R Diagram 1

Front

What is the H-R Diagram?

Back

The Hertzsprung-Russell (H-R) Diagram is a scatter plot of stars showing the relationship between their absolute magnitudes or luminosities versus their stellar classifications or effective temperatures.

Front

What are white dwarfs?

Back

White dwarfs are small, hot, faint stars that are the remnants of stars that have exhausted their nuclear fuel and shed their outer layers.

Front

Which star category does our Sun belong to?

Back

The Sun is classified as a Main Sequence star.

Front

What happens to stars as you move left on the H-R Diagram?

Back

As you move left on the H-R Diagram, stars get hotter.

Front

Which color of star is the hottest?

Back

Blue stars are the hottest.

Front

What are the characteristics of main sequence stars?

Back

Main sequence stars are in a stable phase of stellar evolution where they fuse hydrogen into helium in their cores.

Front

What is the significance of the temperature in the H-R Diagram?

Back

Temperature is a key factor in determining a star's position on the H-R Diagram, influencing its color and stage of evolution.

Front

What are supergiants?

Back

Supergiants are very large and luminous stars that have a short lifespan and are found at the upper left of the H-R Diagram.

Front

What is a neutron star?

Back

A neutron star is a very dense remnant of a supernova explosion, primarily composed of neutrons.

Front

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

Back

A star's color indicates its temperature; blue stars are the hottest, followed by white, yellow, orange, and red stars.