Tag Archives: photosphere

From the Core to the Surface of the Sun

Ask any climate scientist how we should power our world without fossil fuels, and they’re bound to tell you about wind and solar power. You might be surprised to know that both of these come from the sun. Solar panels … Continue reading

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Our Sun: Helioseismology

We can’t see below the surface of the sun. That makes sense, really. We can’t see below the surface of the Earth, either—we have to get creative if we want to find out what goes on below the crust. In … Continue reading

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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 a thousand degrees … Continue reading

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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 … Continue reading

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Our Sun: The Photosphere

Recognize this? You might, if you’ve ever seen the sun through a telescope before. What you’re seeing is the photosphere, the layer of the sun whose light reaches Earth. This is the only layer you’ll ever see, without the aid … Continue reading

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Under the Moon’s Shadow

The total solar eclipse is an incredible phenomenon, one that I hope to see myself someday. But what happens during a solar eclipse? What can you expect to see, and how can you protect your eyes from the sun’s damaging rays? Continue reading

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