“Solid” is everyone’s preferred state, being the matter-phase possessed by dogs, money, motorcycles, lasagna, lilacs, and your other favorite items. Astronomers feel the same way, even if gases are awesome when they conjure ethereal modern art sculptures like the Orion nebula. And liquids are intriguing due to their extreme rarity: we only know a single extraterrestrial body with surface fluids. But when we explore the cosmos, dust is cool. In size it truly does resemble cigarette smoke, even exuding the same characteristic blue aura whenever hit by starlight.