4.2 Stars

Front

What is a common name used for stars?

Back

Stars can be referred to as celestial bodies, luminaries, or astronomical objects.

Front

What are the primary elements that most stars are composed of?

Back

Most stars are primarily made of hydrogen and helium.

Front

How would you describe the Sun in terms of its size compared to other stars?

Back

The Sun is considered an average-sized star.

Front

What is the term for the gas and dust clouds that form stars?

Back

These clouds are known as nebulas.

Front

True or False: The Sun is the biggest star in the sky.

Back

False. The Sun is not the biggest star; there are larger stars in the universe.

Front

What is the process called when a star forms from a nebula?

Back

The process is called stellar formation.

Front

What is the lifecycle of a star?

Back

The lifecycle of a star includes stages such as nebula, main sequence, red giant, and supernova or white dwarf.

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Front

What is the main sequence in the context of stars?

Back

The main sequence is a continuous and distinctive band of stars that appears on plots of stellar color versus brightness.

Front

What is a supernova?

Back

A supernova is a powerful and luminous explosion that occurs at the end of a star's life cycle.

Tags

NGSS.HS-ESS1-3

Front

What is the difference between a red giant and a white dwarf?

Back

A red giant is a late stage in a star's life when it expands and cools, while a white dwarf is the remnant core left after a star has shed its outer layers.