Sunspots and Solar Wind

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Inverse Square Law

energy decreases with an increase in distance from the source.

Solar maximum

period of greatest solar activity in a 11 year cycle

Solar Minimum

period of very little solar activity in a 11 year cycle

Sunspot

A relatively darker, cooler area on the Sun's surface that emits charged particles.

Solar Wind

A stream of electrically charged particles that flow outward from the Sun's corona.

Solar Flare

A sudden brightness near a sunspot; explosion of gas from the Sun's surface

after

Auroras often appear several days ____ solar storms erupted on the Sun's surface.

Space Weather

Conditions on the Sun that ultimately affect Earth and its atmosphere

The Sun's gravity creates tremendous pressure that causes Hydrogen atoms to collide and make a new element - Helium. This chemical reaction gives off energy...a lot of energy (heat).

How nuclear fusion is used by the Sun

11 years

How often does sun activity seem to occur?

Aurora

Solar wind trying to penetrate the Earth's magnetic field. Seen as bright colors in the sky.

The Sun's equator

Which rotates faster: the suns equator or the sun's poles?

Nuclear Fusion

when two nuclei join to form a larger nuclei and give off energy.


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