HR-Diagram

Front

What changes as you move from the bottom to the top of the HR diagram?

Back

Luminosity or Brightness.

Front

What category contains the most stars in the HR diagram?

Back

Main Sequence.

Front

Which star is the coldest?

Back

Red Star.

Front

Which star is considered a Main Sequence Star?

Back

Star A.

Front

What is the correct order of stars from COOLEST to HOTTEST?

Back

Red, Orange, Yellow, White, Blue.

Front

What does the HR diagram represent?

Back

The relationship between the luminosity and temperature of stars.

Front

What are the two main axes of the HR diagram?

Back

Luminosity (vertical axis) and Temperature (horizontal axis).

Front

What type of stars are found in the upper right corner of the HR diagram?

Back

Supergiants.

Front

What type of stars are found in the lower left corner of the HR diagram?

Back

White Dwarfs.

Front

What is a Main Sequence star?

Back

A star that is in the stable phase of hydrogen burning in its core.