Ablation Ablation Aurora (astronomy) Aurora (astronomy) Corona Corona Corona Discharge Corona Discharge Fluorescent Lamp Fluorescent Lamp Heliosphere Heliosphere Instability Instability Interplanetary Medium Interplanetary Medium Ionosphere Ionosphere Magnetohydrodynamics Magnetohydrodynamics Nebula Nebula Outer Space Outer Space Plasma (physics) Plasma (physics) Solar Flare Solar Flare Solar Wind Solar Wind Sun Sun