HR diagram flashcard

Front

What causes tides?

Back

The moon causes tides.

Front

Does temperature affect the HR diagram?

Back

Yes, temperature is a key factor in the HR diagram.

Front

What category does the sun belong to in the HR diagram?

Back

The sun is in the main sequence category.

Front

What is the hottest color on the HR diagram?

Back

Blue is the hottest color on the HR diagram.

Front

What is the HR diagram about?

Back

The HR diagram is about stars.

Front

What does HR stand for in HR diagram?

Back

HR stands for Hertzsprung-Russell.

Front

What are the two main axes of the HR diagram?

Back

The vertical axis represents luminosity, and the horizontal axis represents temperature.

Front

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

Back

Supergiants are found in the upper right of the HR diagram.

Front

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

Back

White dwarfs are found in the lower left of the HR diagram.

Front

What is the relationship between a star's temperature and its color?

Back

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