shell packing
Plasma solitons as observed by the Safire Project
James Webb’s WR 140 vs. Laboratory Observations
The above October 13, 2022 NASA’s picture of the day elucidated in this Nature Astronomy article reminds me of the below laboratory photograph from the Safire Project. The relative scaling between the two is about $10^{17}$. The laboratory observation are plasma shells/spirals of a continues electrical discharge in a partial Hydrogen vacuum. This now begs (more…)