What "planetary alignment" really means, why news headlines mean the visible-from-Earth version (not strict heliocentric), the tightness tiers (≤30° tight, ≤60° compact, ≤90° broad), and how to observe one. Live ephemeris-computed dates of upcoming planet parades.
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.