Photosphere
Astronomy
The Sun’s surface, from which the light we actually see (with the human eye) is emitted. Temperatures average 5,800 K (9,900°F).
- — NASA Helioviewer.org Visual Glossary retrieved 2014-05-26
The photosphere is what our eyes perceive as the visible surface of the Sun. Here, energy escapes from the interior and streams into the Sun's atmosphere and beyond. The photosphere is home to dark Sunspots.
- — Space Weather Center Glossary of Space Weather-Related Terms retrieved 2014-05-26
Weather
The intensely bright portion of the sun visible to the unaided eye; the "surface" of the sun. Reaching temperatures estimated at about 11,000 degrees Fahrenheit, it is the portion of the sun's atmosphere which emits continuous electromagnetic radiation.