HR Diagram and Life Cycle of a Star

Front

What happens to stars as we move to the left on the HR Diagram?

Back

Stars get hotter.

Front

What is the HR Diagram?

Back

A diagram that shows the relationship between luminosity and temperature in a star.

Front

What happens to the energy of an electromagnetic wave if its wavelength is longer?

Back

Energy is lower.

Front

What theory includes the concept of the 'big crunch'?

Back

Oscillating Theory.

Front

How is our sun classified compared to other stars?

Back

Medium size with medium temperature.

Front

What does luminosity refer to in the context of stars?

Back

The total amount of energy emitted by a star per unit of time.

Front

What is the main sequence in the life cycle of a star?

Back

The phase where a star fuses hydrogen into helium in its core.

Front

What is a red giant?

Back

A late stage in a star's life cycle where it expands and cools after exhausting hydrogen in its core.

Front

What is a white dwarf?

Back

The remnant core of a star that has exhausted its nuclear fuel and shed its outer layers.

Front

What is the relationship between temperature and color in stars?

Back

Hotter stars appear blue or white, while cooler stars appear red.