Night Sky Tonight (Dec. 23, 2025): Crescent Moon Earthshine, Northern Lights Alert, and the Ursids’ Final ActNight Sky TonightNight Sky Tonight (Dec. 23, 2025): Crescent Moon Earthshine, Northern Lights Alert, and the Ursids’ Final Act
Dec. 23, 2025 — Tonight’s sky is doing that classic winter trick: it gets dark early, stays dark long, and then quietly hands you a few genuinely photogenic targets as a reward for being a warm-blooded mammal who chose to