Multiple choice general knowledge science & technology

The outer atmosphere of sun is hotter than the surface.

  1. True

  2. False

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The visible surface of the Sun, or photosphere, has a temperature of about 5,500 degrees Celsius, whereas the outermost atmospheric layer, the corona, reaches millions of degrees Celsius. This counterintuitive temperature profile is known as the coronal heating problem. Therefore, the statement is true.