The characteristic, shared by sunspots, solar flares, and coronal mass ejections, is they are dark spots on the sun's surface and occur in active solar cycle period.
What is solar activity?
The sunspots, solar flares, and coronal mass ejections are the type of solar activities. This solar activities are led by the solar magnetic activity.
Lets check all the option.
- They appear as dark spots on the sun's surface-The sunspots are considered as dark spot. This option is correct.
- They tend to occur during active periods of the solar cycle-The sunspots, solar flares, and coronal mass ejections tend to occur during the solar cycle period.
- They are caused by outward fluctuations of the sun's magnetic field.The sunspots, solar flares, and coronal mass ejections are the result of solar magnetic activity. This option is not correct.
- They appear as bright spots on the sun's surface-The sunspots are considered as dark spot.
Hence, the characteristic, shared by sunspots, solar flares, and coronal mass ejections is they appear as dark spots on the sun's surface and tend to occur during active periods of the solar cycle.
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