The Sun

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Last updated 11:51 PM on 5/25/26
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16 Terms

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Nebula

Gas and dust cloud where stars form

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Nuclear fusion

2 Hydrogens combine → 1 Helium + energy

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Corona

Atmosphere around the Sun

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Alpha & Beta particles

Loose protons and electrons from Sun

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Geomagnetic storms

Storms that mess with Earth's magnetic field

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Solar radiation storms

Only matter for deep space travel

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Prominence

Sun's plasma that shoots out but falls back

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CME

Sun's plasma that shoots out and breaks off

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Solar flare

Huge CME that can knock out electronics

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Sunspot

Dark hole/dent on Sun's surface

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Hale's Cycle

Time for Sun's magnetic poles to flip twice

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Sun facts

Center of solar system, oldest object, G-type main sequence, yellow dwarf star

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Solar wind variations

Changes in intensity, speed, and density

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11 Year Cycle

Sun's rotation time we track with sunspots; magnetic poles flip each cycle (varies 9-14 years)

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Why Sun wobbles

Gas giants pull on Sun with their gravity

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Prominence vs CME

Prominence falls back into Sun; CME breaks away