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T Coronae Borealis Overview

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Questions and Answers

What is the primary cause of the periodic nova outbursts in T Coronae Borealis?

Interactions between the two stars' magnetic fields

The gravitational pull of nearby celestial bodies

The red giant shedding material onto the white dwarf (correct)

The consumption of hydrogen by the red giant

How often do nova outbursts occur in the T CrB system?

Every 50 years

Every 20 years

Every 80 years (correct)

Every 100 years

What was the last recorded nova outburst of T Coronae Borealis?

1986

1946 (correct)

1936

1966

What is the expected time frame for the next nova outburst of T CrB according to NASA?

By September 2024 Signup and view all the answers

What visual phenomenon will occur during the nova outburst of T CrB?

It will appear as a bright star in the northern sky Signup and view all the answers

What tools are recommended for a clearer view of the nova during its outburst?

Binoculars Signup and view all the answers

Study Notes

T Coronae Borealis (T CrB)

T CrB is a binary star system, located 3,000 light-years from Earth.
T CrB experiences periodic nova outbursts, occurring approximately every 80 years.
The last outburst was in 1946.
Nova outbursts are caused by a red giant and white dwarf in close orbit.
The red giant sheds its outer layers onto the white dwarf, increasing pressure until a nova explosion occurs.
NASA predicts that the next nova outburst will occur sometime before September 2024.
The exact timing of the next outburst is difficult to predict, but it may occur soon, possibly within a couple of months before the end of summer.
The nova will be visible to the naked eye for several days, appearing as a bright star in the northern sky.
Binoculars will provide a clearer view of the nova for a week.

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Description

Explore the fascinating binary star system T Coronae Borealis (T CrB), located 3,000 light-years from Earth. Learn about its periodic nova outbursts, notably its last in 1946, and find out when the next spectacular explosion is predicted to occur. This quiz will test your knowledge about the dynamics of stars and their explosive events.