What is the photosphere of the sun?

Answer 1

The photosphere is the visible surface of a star, such as the Sun. It consists of a zone in which the gaseous layers change from being completely opaque to radiation, to being transparent. For example, the photosphere of the Sun is the layer from which the light we actually see (with the human eye) is emitted.

Answer 2

The photosphere of an astronomical object is the depth of a star's outer shell from which light is radiated. Despite the invisible interior beyond the black hole's event horizon, the photosphere of a black hole can be inferred from its interaction with other matter and with electromagnetic radiation such as light. Matter falling onto a black hole can form an accretion disk heated by friction, forming some of the brightest objects in the universe before vanishing beyond the threshold of the black hole's event horizon.

So the photosphere of a black hole is analogous to the concept of a black hole's ergosphere. The ergosphere is an oblate spheroid region outside of the event horizon, where objects cannot remain stationary.

Answer 3

The photosphere is the outermost layer of the sun's atmosphere, where sunlight is emitted and where most of the visible light we see comes from. It is about 300 miles thick and has a temperature of around 5,500 degrees Celsius.

Answer 4

the "visible" surface of the sun.

Answer 5

It is the visible surface of the sun.