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| The Sun's __________ is a spectacular crown visible during solar eclipses. |
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| Which of the following types of radiation (light) from the Sun supplies the greatest amount of total energy to the Earth? |
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| Which element is the second most abundant in the Sun? |
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| High speed ions emitted by the sun, some of which reaches Earth |
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| The Little Ice Age on Earth coincided with... |
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Definition
| A prolonged disappearance of sunspots, diminishing solar wind, and cooling of the Earth's upper atmosphere. |
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| Thermonuclear reactions within the Sun's core include each of the following except... |
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Definition
| Conversion of electrons to protons |
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Term
| The maximum intensity of radiation emitted by a body shifts to shorter wavelengths as the body becomes hotter. |
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Definition
| Wein's law states that... |
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| What causes Fraunhofer lines within the Sun's spectrum? |
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Definition
| Photons of energy emitted from the Sun's surface interact with hydrogen in Sun's atmosphere, with certain wavelengths being absorbed. |
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| Occurs between the photosphere and corona. |
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Definition
| The Sun's chromosphere... |
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| Energy is transferred from the Sun's core to it's surface by... |
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Definition
| Both radiation and convection |
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Term
| Which of the following is not associated with interactions between the solar wind and Earth? |
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| Which of the following statements is false? |
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Definition
| Weakening of Earth's magnetosphere results in decreased cosmic ray bombardment of the upper atmosphere and decrease in the production of carbon-14. |
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Term
| Thermonuclear fusion in the cores of stars can only make the element iron in __________ stars. |
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| The future of our Sun billions of years from now will most likely be... |
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Definition
| Evolve into a red giant, shed off its outer layers, and end up as a white drawf. |
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Term
| Which of the following statements about galaxies is false? |
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Definition
| The motions of galaxies are no longer affected by the Big Bang that occurred 13-15 billion years ago. |
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Term
True or False The electromagnetic spectrum of a galaxy rapidly approaching Earth would be red shifted. |
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