Life Cycle of Stars

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What is a White Dwarf?

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A White Dwarf is the remnant core of a star that has exhausted its nuclear fuel and shed its outer layers, resulting in a small, dense star.

Tags

NGSS.HS-ESS1-3

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What is a Black Hole?

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A Black Hole is a region in space where the gravitational pull is so strong that nothing, not even light, can escape from it.

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What is a Neutron Star?

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A Neutron Star is the collapsed core of a massive star that has undergone a supernova explosion, consisting mostly of neutrons and is extremely dense.

Tags

NGSS.HS-ESS1-3

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What initiates the birth of a star?

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A star is born when it begins nuclear fusion, the process of combining hydrogen atoms into helium, releasing energy.

Tags

NGSS.HS-ESS1-1

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What role does Gravity play in star formation?

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Gravity is the force that causes dust and gas particles in a nebula to clump together, leading to the formation of stars.

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

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What is a Red Giant?

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A Red Giant is a late stage in a star's life cycle where it expands and cools after exhausting the hydrogen in its core.

Tags

NGSS.HS-ESS1-3

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What is a Supernova?

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A Supernova is a powerful and luminous explosion that occurs at the end of a star's life cycle, often resulting in the formation of a neutron star or black hole.

Tags

NGSS.HS-ESS1-3

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What is a Nebula?

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

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What is the main sequence phase of a star?

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The main sequence phase is the longest stage in a star's life cycle where it fuses hydrogen into helium in its core.

Tags

NGSS.HS-ESS1-1

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What happens to a star after it becomes a Red Giant?

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After becoming a Red Giant, a star may shed its outer layers and leave behind a White Dwarf, or it may explode as a Supernova.