chromosphere
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Our Sun: The Corona
When we observe our sun’s corona, we discover something odd. It’s really, really hot. But…wait a second. How is that odd? Shouldn’t the sun be hot? Well…yes. It should, and it is. Its surface temperature is almost ten thousand degrees…
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Our Sun: The Chromosphere
This diagram is a tiny bit misleading. Here, it looks like the chromosphere is the visible surface of the sun, with the photosphere just below. Really, we never see the chromosphere. If you ever look through a solar telescope at…
