What can be done in costs reca
1.por
2.para
3.por
4.para
5.por
6.por
7.para
8.por
9.para
10.por
11.para
12.por
13.para
14.para
15.por
16.por
17.para
18.para
19.para
20.para
About 10,000 degrees F
The temperature in the photosphere is about 10,000 degrees F (5,500 degrees C). It is here that the sun's radiation is detected as visible light. Sunspots on the photosphere are cooler and darker than the surrounding area. At the center of big sunspots the temperature can be as low as 7,300 degrees F (4,000
