How do the physical conditions within a coronal hole compare with those of the rest of the solar corona?

Name: How do the physical conditions within a coronal hole compare with those of the rest of the solar corona?
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Quizplus · Accepted Answer

Coronal holes have lower temperature and lower density compared to the rest of the solar corona. This is because they are regions where the magnetic field is open, allowing for mass and energy to escape into space, leading to a reduction in density and cooling by expansion.

How Do the Physical Conditions Within a Coronal Hole Compare