HR Diagrams

Front

What stage of star development does our Sun belong to?

Back

Main Sequence

Front

Which star stage is generally the hottest?

Back

White Dwarf

Front

What determines the color of a star?

Back

It's temperature.

Front

Which star is the coldest?

Back

Red Star

Front

Red stars are the _____________.

Back

coolest.

Front

What is the HR Diagram?

Back

A graphical tool that astronomers use to classify stars based on their luminosity, color, temperature, and evolutionary stage.

Front

What does the x-axis of the HR Diagram represent?

Back

The temperature of stars, usually decreasing from left to right.

Front

What does the y-axis of the HR Diagram represent?

Back

The luminosity of stars, often expressed in terms of the Sun's luminosity.

Front

What are supergiants?

Back

Massive stars that are very bright and have a high luminosity, located in the upper left of the HR Diagram.

Front

What are white dwarfs?

Back

The remnants of stars that have exhausted their nuclear fuel, found in the lower left of the HR Diagram.