4 Stars and HR Diagrams

Front

What is the coldest type of star?

Back

Red Star

Front

How do main sequence stars like the sun generate energy?

Back

By fusion of hydrogen into helium.

Front

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

Back

Stars get hotter.

Front

Which star has the lowest temperature in a given set?

Back

Star C.

Front

During the main sequence stage of a star's life, which element does it primarily fuse?

Back

Hydrogen.

Front

What is the main sequence in the context of stars?

Back

A continuous and distinctive band of stars that appears on plots of stellar color versus brightness.

Front

What is an HR diagram?

Back

A graph that plots stars according to their absolute magnitudes and stellar classifications.

Front

What type of star is typically the hottest?

Back

Blue Star.

Front

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

Back

Hotter stars are blue, while cooler stars are red.

Front

What is the significance of a star's position on the HR diagram?

Back

It indicates its temperature, luminosity, and stage in its life cycle.