R
@lecirlen.bsky.social
Reposted by R
Fireworks displays have two components: good ol' gunpowder, and a mineral with a distinctive emission spectrum.

You're seeing the photons emitted by a metal salt as its electrons return to ground state following super-heating from ignition.

Oooh!❇️ Aaah! 🎆
a row of different colored flames with the letters li sr na cu and k on the bottom
Alt: a row of different colored flames with the letters li sr na cu and k on the bottom
media.tenor.com
December 31, 2024 at 1:30 PM