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Lecture16_110f2007

Lecture16_110f2007 - The sunspots are A B C D E Regions on...

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1 The sunspots are: A. Regions on the solar surface that are cooler than the surrounding photosphere. B. Regions on the solar surface that are darker than the surrounding photosphere. C. Regions of strong magnetic fields. D. Regions beneath which solar convection is suppressed. E. All of the above. The sunspots are: A. Regions on the solar surface that are cooler than the surrounding photosphere. B. Regions on the solar surface that are darker than the surrounding photosphere. C. Regions of strong magnetic fields. D. Regions beneath which solar convection is suppressed. E. All of the above. Which of the following statements is incorrect: A. Regions of strong magnetic field inhibit solar convection. B. Plasma cannot move across the magnetic field. C. Charged particles move along the magnetic field on spiraling trajectories. D. The solar corona is hot because of nuclear fusion. E. The magnetic field is responsible for heating of the solar corona. Which of the following statements is incorrect: A. Regions of strong magnetic field inhibit solar convection. B. Plasma cannot move across the magnetic field. C. Charged particles move along the magnetic field on spiraling trajectories. D. The solar corona is hot because of nuclear fusion. E. The magnetic field is responsible for heating of the solar corona. The solar flares are: A. The result of small nuclear fusion bursts in the solar corona. B. The result of sudden reconfiguration of the magnetic field, in which magnetic energy is converted into heat. C. Regions on the Sun with enhanced convective motions. D. All of the above.
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