Category Archives: astrophysics

Relics of science past

Sometimes a name tells us about the way people used to think about something. An initial understanding or categorization may look odd or confusing in late of later findings, but a name may stick anyway because it has become so widely used. Here are a few examples from astronomy. Planetary nebulae: These were named purely for a superficial… Read More »

Who put the meteors in meteorology?

While we’re on the subject of meteors, what have meteors got to do with meteorology? It turns out that the link between meteors and meteorology is a Greek word, meteoron, that refers to things in the air, or sky—what today we would call atmospheric phenomena. Clouds, lightning, rain, storms, wind: these are all features of the sublunary sphere… Read More »