Astronomy Terms Explained — Magnitude, ZHR, Opposition, Twilight

Astronomy Terms Explained — Magnitude, ZHR, Opposition, TwilightA beginner-friendly glossary of sky observation terms: apparent magnitude, altitude/azimuth, meteor shower ZHR, planet oppositions, twilight types, and rocket-launch geometry.Part of the BloomWX learn library — beginner-friendly explainers covering every surface of the BloomWX weather dashboard. Open BloomWX to see live data for any U.S. county.