Nova Outbursts of T Coronae Borealis
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Questions and Answers

What is the primary reason for the periodic nova outbursts of T Coronae Borealis?

  • The white dwarf's core collapsing due to gravity.
  • The red giant shedding its outer layers onto the white dwarf. (correct)
  • The creation of a new star from the remnants of the outbursts.
  • The white dwarf absorbing gas from a nearby star.

How frequently does T Coronae Borealis experience nova outbursts?

  • Approximately every 80 years. (correct)
  • Approximately every 60 years.
  • Approximately every 100 years.
  • Approximately every 40 years.

What is the visibility period of the nova outburst once it occurs?

  • For several weeks.
  • For an hour at best.
  • For several hours only.
  • For several days and up to a week with binoculars. (correct)

What distance is T Coronae Borealis located from Earth?

<p>About 3,000 light-years. (D)</p> Signup and view all the answers

What is the anticipated timeframe for the next nova explosion of T Coronae Borealis?

<p>Before September 2024. (D)</p> Signup and view all the answers

What essential components are involved in the occurrence of a nova?

<p>A binary star system with a red giant and a white dwarf (C)</p> Signup and view all the answers

What significant characteristic distinguishes a nova from other celestial events like eclipses?

<p>It can be observed from anywhere on Earth without special equipment (A)</p> Signup and view all the answers

What happens to the material shed by the red giant in a nova system?

<p>It accumulates on the surface of the white dwarf until it explodes (B)</p> Signup and view all the answers

What outcome typically results from a nova explosion?

<p>There is a sudden and dramatic increase in brightness (B)</p> Signup and view all the answers

What is the timing of the upcoming nova eruption predicted by NASA?

<p>Between now and September 2024 (C)</p> Signup and view all the answers

Flashcards

Nova

A sudden, bright burst of energy from a binary star system, involving a red giant and a white dwarf.

Binary Star System

Two stars orbiting each other.

Red Giant

A large, dying star in a binary system.

White Dwarf

A small, dense, dead star.

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T Coronae Borealis Nova

A specific nova that can be seen with the naked eye.

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T Coronae Borealis

A binary star system with a red giant and a white dwarf that experiences periodic nova explosions.

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Nova Outburst

A sudden, bright explosion caused by the white dwarf in a binary system accumulating material from the red giant.

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Red Giant's Role

The red giant in T Coronae Borealis sheds its outer layers, providing fuel for the white dwarf's explosions.

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White Dwarf's Survival

The white dwarf survives each nova outburst, allowing future eruptions to occur.

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Visibility of Outbursts

The nova explosions of T Coronae Borealis are visible to the naked eye for several days and through binoculars for over a week.

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