Unit 5 Review - Sun and Stars

Front

What is a red giant?

Back

A red giant is a type of star that has low temperature but high brightness, typically found in the later stages of stellar evolution.

Front

What do main sequence stars primarily fuse?

Back

Main sequence stars primarily fuse hydrogen into helium.

Front

What color are the hottest stars?

Back

The hottest stars are blue.

Front

What is the sun's current stage in its life cycle?

Back

The sun is currently a yellow main sequence star.

Front

What does nuclear fusion produce in the sun?

Back

Nuclear fusion in the sun fuses hydrogen into helium atoms.

Front

What is the life cycle of a star?

Back

The life cycle of a star includes stages such as nebula, main sequence, red giant, and white dwarf.

Front

What is a nebula?

Back

A nebula is a giant cloud of dust and gas in space, often the birthplace of stars.

Front

What happens to a star after it becomes a red giant?

Back

After becoming a red giant, a star may shed its outer layers and become a white dwarf.

Front

What is the significance of hydrogen fusion in stars?

Back

Hydrogen fusion is the process that powers stars, providing energy and light.

Front

How does the temperature of a star relate to its color?

Back

The temperature of a star determines its color; hotter stars appear blue, while cooler stars appear red.