Astronomy ❯ Celestial Events

Comets

Comet Lemmon C/2023 A3 (Tsuchinshan-ATLAS) C/2023 A3 Tsuchinshan-ATLAS Comet C/2023 A3 Comet Tsuchinshan-ATLAS Tsuchinshan-Atlas Tsuchinshan-ATLAS Comet A3 ATLAS Comet Comet 3I/ATLAS Observation Techniques Comet C/2025 A6 (Lemmon) Comet SWAN C/2025 A6 (Lemmon) Komet Lemmon Visibility C/2023 A3 Tsuchinshan–ATLAS Devil Comet Comet 12P/Pons-Brooks C/1861 G1 Thatcher C/2025 F2 (SWAN) Historical Comets Comet 109P/Swift-Tuttle Interstellar Comets C/2025 A6 Lemmon Tempel-Tuttle Comet C/2025 A6 C/2025 R2 (SWAN) Halley's Comet R2 Swan C/2025 A6 Comet C/2025 R2 (SWAN) Komet Swan Comet Swan Lemmon and SWAN Comet Tuttle A3 Comet Comet C/2023 A3 Tsuchinshan-ATLAS Characteristics Tsuchinshan-ATLAS Comet C/2023 A3 Tsichinshan-ATLAS Comet 2023 A3 Upcoming Comets 3I/ATLAS

2026 Sky Guide: Total Eclipse Over Iceland and Spain as NASA Targets Early-Year Artemis II

Soaring demand in Iceland and northern Spain is already forcing eclipse‑chasing travelers to book early.

Geminid Meteor Shower Begins Today, With Peak Expected Dec. 13–14

Cold Moon to Cap 2025 With Final Supermoon on Dec. 4

Comet Lemmon Stays Bright as Final Easy Viewing Window Closes

Twin Comets Lemmon and SWAN Light Up Northern Skies as Brief Viewing Window Peaks

Twin Green Comets Brighten For Best Views Under Next Week’s New Moon