5/7 - HR Diagrams

Front

What is the classification of our sun compared to other stars?

Back

The sun is considered a medium size star with medium temperature.

Front

What changes as you move from the bottom to the top of the H-R diagram?

Back

Luminosity or Brightness changes.

Front

What type of star is our Sun classified as?

Back

Our Sun is classified as a Main Sequence star.

Front

What is represented on the x-axis of an H-R diagram?

Back

Temperature is represented on the x-axis.

Front

Which star is brighter than Alpha Centauri B but dimmer than the Sun?

Back

Tau Ceti is brighter than Alpha Centauri B but dimmer than the Sun.

Front

What is the significance of the H-R diagram in astronomy?

Back

The H-R diagram is used to classify stars based on their luminosity, temperature, and evolutionary stage.

Front

What are the main regions of the H-R diagram?

Back

The main regions are the Main Sequence, Red Giants, Supergiants, and White Dwarfs.

Front

How does temperature relate to a star's color?

Back

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

Front

What is the relationship between a star's mass and its position on the H-R diagram?

Back

More massive stars are typically found on the upper left of the H-R diagram, while less massive stars are on the lower right.

Front

What is a Red Giant?

Back

A Red Giant is a late stage in a star's life cycle where it has expanded and cooled, resulting in a reddish appearance.

Tags

NGSS.HS-ESS1-3