Terms related to the Sun
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| The distance between the Earth and Sun | 93,000,000 miles
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| Makes up 75% of the Sun's gases | Hydrogen
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| Makes up 25% of the Sun's gases | Helium
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| The direction that the Sun rotates on its axis | Counterclockwise
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| Estimated age of the Sun | 4.5 billion years old
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| Part of the Sun where nuclear fusion occurs | Core
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| Light packets | Photons
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| Part of the Sun where photons are passed from gas molecule to gas molecule | Radiative zone
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| Outer part of the Sun where gas molecules rise, release energy, sink and pick up more energy | Convective zone
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| Part of the Sun's atmosphere that produces the yellow light that we see | Photosphere
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| The middle part of the Sun's atmosphere that emits a reddish light during a solar eclipse | Chromosphere
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| Process in which 4 Hydrogen nuclei fuse to form 1 Helium nucleus and energy | Nuclear fusion
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| Outer layer of the Sun's atmosphere where solar wind originates | Corona
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| Parts of the Sun's atmosphere that are only visible during eclipses | Chromosphere and Corona
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| Percent of the Sun made of gas | 100%
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| Part of the Sun that completes its rotation the fastest | Equatorial region
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| The Sun is considered to be a __________ sized star | medium
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| Areas of gas on the Sun that are cooler than the surrounding gases. Less light is given off by these areas | Sunspots
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| The cause of sunspots | Formed by a twisting of the Sun's magnetic field
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| Brief, bright eruptions of hydrogen gas on the Sun's surface | Solar flares
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| 1 million mile per hour stream of electrically charged particles produced by the Sun | Solar wind
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| The Sun's estimated "life span" | 9 billion years
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Or sort by any of the columns using the down arrow next to any column heading.
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