2 ms·
Actually, that's how an explosion is defined in the dictionaries, it's a rapid expansion of air.
by user5994461 9y ago
Actually, that's how an explosion is defined in the dictionaries, it's a rapid expansion of air.
- Retric 9y agoNo, I actually looked at a few and Air is not part of the definition. Which is reasonable as a supernova is a large explosion without Air being involved.