Life Cycle of Stars

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What are heavy elements?

Back

Heavy elements are a large group of elements, including iron, gold, copper, lead, and magnesium, that conduct heat and electricity well.

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What is a black hole?

Back

A black hole is a region of space having a gravitational field so intense that no matter or radiation can escape.

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What is a super red giant?

Back

A super red giant is an extremely large red giant star with a minimum of 15 solar masses, known for its high luminosity.

Tags

NGSS.HS-ESS1-3

Front

What characterizes a red giant star?

Back

A red giant star is a very large star of high luminosity and low surface temperature, in a late stage of evolution when no hydrogen remains in the core to fuel nuclear fusion.

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What is a main sequence star?

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Main sequence stars are stars that are fusing hydrogen atoms to form helium atoms in their cores.

Tags

NGSS.HS-ESS1-1

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What is nuclear fusion?

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Nuclear fusion is the process by which two light atomic nuclei combine to form a heavier nucleus, releasing energy.

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

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What is a nebula?

Back

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

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What is a supernova?

Back

A supernova is a powerful and luminous explosion of a star, marking the end of its life cycle.

Tags

NGSS.HS-ESS1-3

Front

What is a neutron star?

Back

A neutron star is the remnants of a supernova explosion, composed almost entirely of neutrons.

Front

What is luminosity?

Back

Luminosity is the total amount of energy emitted by a star per unit of time, often measured in watts.