Assertion: sun's surface | /r/CapableOf | call the photosphere
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Source sentences:
text: The surface viewed from Earth, called the photosphere, is the layer from which most of the radiation reaches us; the radiation from below is absorbed and reradiated, and the emission from overlying layers drops sharply, by about a factor of six every 200 kilometres (124 miles).
text: The surface of the Sun, called the photosphere, is at a temperature of about 5800 K. Sunspots are “