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Solar Eclipse

National Geographic Solar Eclipse Vocabulary Words

TermDefinition
atmosphere layers of gases surrounding a planet or other celestial body.
corona outermost part of the sun or another star's atmosphere.
coronal mass ejection huge burst or solar wind and other charged particles.
diameter width of a circle.
heliosphere large region around the sun affected by the sun's magnetic field and the solar wind.
Kelvin scale scale for measuring temperature where zero Kelvin is absolute zero.
penumbra partial shadow between the full shadow (umbra) and full illumination on an eclipsed body during an eclipse.
photosphere lowest visible layer of a star and the boundary from which the star's diameter is measured.
solar eclipse event when the sun is blocked by the moon passing between it and the Earth.
solar flare explosion in the sun's atmosphere, which releases a burst of energy and charged particles into the solar system.
sunspot dark, cooler area on the surface of the sun that can move, change, and disappear over time.
totality period during an eclipse when light from the eclipsed body is completely blocked.
umbra moon's shadow that covers the sun during a solar eclipse.
Created by: debbym
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