Star Life Cycle Quiz

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Questions and Answers

What is the first stage of a star's life cycle?

  • Red Giant
  • Main Sequence Star (correct)
  • Black Dwarf
  • Supernova

What is the final stage for a star like the Sun?

  • White Dwarf (correct)
  • Supernova
  • Black Hole
  • Neutron Star

Following the main sequence, what does a massive star become?

  • Red Giant
  • Supergiant (correct)
  • White Dwarf
  • Black Dwarf

Which of these is NOT a potential final state for a star after a supernova?

<p>White dwarf (A)</p> Signup and view all the answers

Which of the following stellar objects result in no new star formation?

<p>Supernova (A)</p> Signup and view all the answers

What is the primary force that initiates the formation of a protostar from a nebula?

<p>Gravity (B)</p> Signup and view all the answers

What process marks the transition of a protostar into a main sequence star?

<p>The start of nuclear fusion (A)</p> Signup and view all the answers

What distinguishes the evolutionary path of a low-mass star from a high-mass star after the main sequence stage?

<p>Low-mass stars become red giants and white dwarfs while high-mass stars become supergiants and undergo supernovas (D)</p> Signup and view all the answers

A star has exhausted its core hydrogen fuel, and has become very large. If it will eventually become a white dwarf, at which stage is it now?

<p>Red giant (D)</p> Signup and view all the answers

What is the likely end result of a high-mass star after it undergoes a supernova?

<p>Neutron star or black hole (C)</p> Signup and view all the answers

What is the typical final stage for a low-mass star after it exhausts its fuel?

<p>White dwarf (D)</p> Signup and view all the answers

Which of these is the correct sequence for a medium-mass star's death?

<p>Red giant → planetary nebula → white dwarf (D)</p> Signup and view all the answers

What is the term for the explosive death of a high-mass star?

<p>Supernova (D)</p> Signup and view all the answers

What is a key characteristic of a black hole?

<p>Nothing, not even light can escape its gravity (B)</p> Signup and view all the answers

What is the origin of a neutron star?

<p>It results from the leftovers of a supernova explosion. (C)</p> Signup and view all the answers

Flashcards

Nebula

A large cloud of gas and dust in space, where stars are born.

Protostar

The very first stage of a star's life, formed when gravity pulls gas and dust together in a nebula.

Main Sequence Star

A star that is burning hydrogen fuel through nuclear fusion, like our Sun.

Red Giant

A large, bright star that has run out of hydrogen fuel and is now burning helium.

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White Dwarf

The final stage in the life of a low-mass or medium-mass star, a small, dense, hot object.

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Supernova

The final stage of a massive star's life, where it explodes in a brilliant burst of light and energy.

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Neutron Star

A very dense and compact object formed from the core of a massive star that has exploded as a supernova.

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Black Hole

An extremely dense object with such strong gravity that nothing, not even light, can escape its pull.

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Planetary Nebula

A cloud of gas and dust that forms when the outer layers of a low or medium mass star drift into space during its red giant phase.

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