Science / Weather / Photosphere: The intensely bright portion of the sun visible to the unaided eye; the 'surface' of the sun. Reaching temperatures estimated at about 11,000?‚°F, it is the portion of the sun's atmosphere which emits continuous electromagnetic radiation.
Science / Weather / Chromosphere: A thin layer of relatively transparent gases above the photosphere of the sun. It is observed best during a total eclipse of the sun. MORE
Science / Astrology / Solar Eclipse: See eclipse. MORE