Question

What is the meaning of photosphere
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Answer 1

Answer:

The photosphere is a star's outer shell from which light is radiated. The term itself is derived from Ancient Greek roots, φῶς, φωτός/phos, photos meaning "light" and σφαῖρα/sphaira meaning "sphere", in reference to it being a spherical surface that is perceived to emit light.

Answer 2

Answer:

The luminous envelope of a star from which its light and heat radiate.

The photosphere is the visible "surface" of the Sun. The Sun is a giant ball of plasma (electrified gas), so it doesn't have a distinct, solid surface like Earth. The temperature of the photosphere is around 5,500° C (about 9,900° F).

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