To see the Sun's hot corona (a temperature of 1,000,000 K), which part of the electromagnetic spectrum should one observe?
A) The visible
B) The X-ray
C) The ultraviolet
D) The radio
E) The infrared

Question

Quizplus · Accepted Answer

The hot corona, which has a temperature of 1,000,000 K can only be observed in the X-ray part of the electromagnetic spectrum. The other choices such as visible, ultraviolet, radio and infrared do not have enough energy to penetrate the corona and observe its properties.

To See the Sun's Hot Corona (A Temperature of 1,000,000