why is the Sun's atmosphere hotter than its surface?
- Written by Hannah Schunker, Lecturer of Physics, University of Newcastle

Why is the Sun’s atmosphere hotter than its surface? — Olivia, age 9, Canberra
Hi Olivia, that’s a great question! In fact, it’s such a great question many scientists around the world are trying to answer it.
The truth of the matter is — we don’t know! But we do have some ideas about where the energy...
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