Question

Energy is released from the sun and ultimately reaches Earth. Analyze the graph of solar irradiance.
Which explanation could describe why the amount of energy that reaches earth is not consistent?

- The photons generated in the core of the sun are released every 11 years.
- The energy released from the process of fusion in the core of the sun takes 11 years to rise to the surface.
- The change of winds in the coronal layer of the sun sends energy from the sun to Earth in 11-year cycles.
- Sunspots release energy in an 11-year cycle because of the magnetic field of the sun.

Answer 1

In this diagram, sunspots release energy in an 11-year cycle because of the magnetic field of the sun.

What is Sun's magnetic field?

The Sun's magnetic field is a field created by electromagnetic forces which depends on different materials (metals) present on the Sun.

In the Earth, the Earth's magnetic field can protect us from harmful ultraviolet (UV) radiation from Sun.

In conclusion, in this diagram, sunspots release energy in an 11-year cycle because of the magnetic field of the sun.

Learn more about the Sun's magnetic field here:

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