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The Sun undergoes several cycles, the most notable being the solar cycle, which lasts about 11 years and involves fluctuations in solar activity, including sunspots, solar flares, and coronal mass ejections. Additionally, there are longer cycles related to solar magnetic activity, such as the Hale cycle, which spans about 22 years and involves the reversal of the Sun's magnetic poles. These cycles influence space weather and can impact Earth's climate and technology.

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2d ago

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Changes in the amount of energy the sun sends out may be related to what?

Changes in the amount of energy the sun sends out may be related to solar activity cycles, such as sunspot cycles, solar flares, and coronal mass ejections. These cycles can impact the amount of solar radiation reaching Earth and can influence our climate and space weather.


What is Darker cooler area of the sun that comes and go in cycles?

Sunspots are dark cooler areas on the sun's surface that appear and disappear in cycles, roughly every 11 years. These sunspots are caused by magnetic field interactions and are associated with increased solar activity such as solar flares and coronal mass ejections.


What is it called when the area of the sun is cold and darker that comes and goes in cycles?

This phenomenon is called a sunspot. Sunspots are temporary areas on the sun's surface that appear darker and are cooler than the surrounding areas due to intense magnetic activity. They occur in cycles of about 11 years and can have various effects on space weather.


Apparent motion of the sun?

The apparent motion of the sun is the way the sun appears to move across the sky from east to west due to the Earth's rotation. This motion creates day and night cycles. The sun reaches its highest point at noon, and its path changes throughout the year due to Earth's tilt and orbit around the sun.


An observable consequence of the 24 hour rotation of the earth is?

All celestial objects - the Sun, Moon, planets and stars - rise in the east and set in the west.