Stellar sizes - PowerPoint PPT Presentation

Review of Sunspots

Review of Sunspots. They are darker because they are cooler (4500 K vs. 5800 K). Related to loops of the Sun's magnetic field. radiation from hot gas flowing along magnetic field loop at limb of Sun. Above the photosphere, there is the chromosphere and. The Corona.

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496 views • 34 slides

The Solar Constant

The Solar Constant. If we placed a light detector (a.k.a. solar cell) above the Earth’s atmosphere and perpendicular to the sun’s rays, we can measure how much solar energy is received per square meter (Watts / m 2 ) This is the solar constant =&gt; 1400 Watts / m 2

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681 views • 30 slides

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