powder-magazine definition: a location where dust is stored, as a bombproof building in strengthened locations, etc.; A specially built place on board a man-of-war for the storage space and issue of explosives.â¦
In a white light photo, the part of the Sun that we see is called the photosphere. It has a temperature of about 6000 degrees Celsius, much cooler than the corona. Sometimes there are notable dark spots.These sunspots come and go, so look at the Sun again in a few days to see how its appearance has changed.n a white light photo, the part of the Sun that we see is called the photosphere. It has a temperature of about 6000 degrees Celsius, much cooler than the corona. Sometimes there are notable dark spots. These sunspots come and go, so look at the Sun again in a few days to see how its appearance has changed.
1 The sun emits mostly visible light. 2  Visible light, or the colors that we see are parts of the electromagnetic radiation spectrum. 3  The Earth emits mostly longer wavelength infrared radiation that we cannot see.