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Nova Outburst and T Coronae Borealis

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Questions and Answers

What causes the periodic nova outbursts in T Coronae Borealis?

The red giant sheds its outer layers onto the white dwarf. (correct)
The red giant collides with the white dwarf.
The white dwarf undergoes a nuclear fusion process.
The white dwarf absorbs matter from interstellar space.

How often do nova outbursts occur in T Coronae Borealis?

Every 100 years
Every 200 years
Every 50 years
Every 80 years (correct)

What is the expected visibility duration of the nova outburst from T Coronae Borealis?

Up to one month after the explosion
For several days to slightly more than a week (correct)
Only during the night of the explosion
A few minutes after the explosion occurs

What is the distance of T Coronae Borealis from Earth?

3,000 light-years (B) Signup and view all the answers

When was the last nova outburst of T Coronae Borealis observed?

1946 (C) Signup and view all the answers

What is essential for a nova event to occur?

A binary star system consisting of a red giant and a white dwarf (D) Signup and view all the answers

How is a nova explosion characterized in terms of brightness?

It causes a sudden and dramatic increase in brightness (A) Signup and view all the answers

What makes the upcoming T Coronae Borealis nova eruption unique compared to typical nova events?

It can be observed without any special equipment (C) Signup and view all the answers

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

It accumulates on the surface of the white dwarf (C) Signup and view all the answers

Which statement accurately describes the stars involved in a nova event?

The system contains a dying star and a dead star (A) Signup and view all the answers

Study Notes

Nova Outburst

A nova occurs in a binary star system with a red giant and white dwarf.
Material from the red giant accumulates on the white dwarf’s surface.
This material eventually ignites, resulting in a bright nova explosion.

T Coronae Borealis

It is a binary star system located about 3,000 light-years away.
It is known for its recurrent nova outbursts, which happen about every 80 years.
The last outburst was in 1946.
The white dwarf star survives each nova event and will continue to have more in the future.

Upcoming Nova Outburst

NASA predicts that the next nova outburst for T Coronae Borealis will happen before September 2024.
The exact timing is difficult to predict.
The nova will be visible to the naked eye for several days, and even longer with binoculars.
It will appear as a bright star in the Northern sky.

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Description

Explore the phenomenon of nova outbursts within binary star systems, focusing on T Coronae Borealis. Learn about the mechanism behind the explosions, their recurrence, and NASA's predictions for the next visible outburst. Delve into the fascinating dynamics of red giants and white dwarfs in cosmic events.