H-R Diagram Stations

Front

What is the approximate age of the universe?

Back

13.7 billion years.

Front

What is the luminosity of the Sun?

Back

1 (as a reference point for other stars).

Front

Which star has the lowest temperature?

Back

Star C.

Front

What is Canopus classified as in the Hertzsprung-Russell Diagram?

Back

Bright Supergiant Star.

Front

What happens to main sequence stars as they increase in temperature?

Back

They decrease in brightness while they decrease in temperature.

Front

What does the Hertzsprung-Russell Diagram illustrate?

Back

The relationship between a star's luminosity and its temperature.

Front

What type of star is located in the upper left corner of the H-R Diagram?

Back

Hot, luminous stars (like blue supergiants).

Front

What type of star is located in the lower right corner of the H-R Diagram?

Back

Cool, dim stars (like red dwarfs).

Front

What is the main sequence in the H-R Diagram?

Back

A continuous band where most stars, including the Sun, are found, indicating a stable phase of stellar evolution.

Front

What is a white dwarf star?

Back

A small, dense star that is the remnant of a low to medium mass star after it has exhausted its nuclear fuel.