Answer the following question given this paragraph: The photosphere is the visible surface of the Sun ( Figure below ). It's the part that we see shining. Surprisingly, the photosphere is also one of the coolest layers of the Sun. It is only about 6000 degrees C. Q: The visible surface of the sun is called what? Choices: - Corona - Radiative Zone - Chromosphere - photosphere A:
The answer to this question is:
photosphere