The article details the observation of NGC 2264, designated as the Christmas Tree Cluster, on December 24. This celestial object is identified as a magnitude 3.9 combination open cluster and ...

During their historic first crewed mission orbiting the Moon, the Apollo 8 astronauts Frank Borman, Jim Lovell, and Bill Anders performed a Christmas Eve broadcast, reciting the initial ten verses of ...

The collection documents various transient solar system events, including a dynamically tailed Comet Lemmon, a seven-planet alignment, and two distinct total lunar eclipses, one of which was ...

On December 25, the Moon will pass 4° north of Saturn at 11 P.M. EST, with both celestial bodies observable in the southwestern sky during the evening. Saturn will present a magnitude of 0.7, ...

The observation period features lunar appulses with Saturn, Neptune, and Uranus, complemented by transits of Jupiter's Galilean moons (Io and Europa) and their shadows across the gas giant's disk.

A novel astronomical event, termed a "superkilonova," is proposed to explain the coincident detection of gravitational waves (S250818k), indicating a subsolar-mass neutron star merger, and an ...

The winter solstice, occurring on December 20 at 10:03 A.M. EST, initiates astronomical winter in the Northern Hemisphere and summer in the Southern Hemisphere, corresponding to the Northern ...

Stephan's Quintet, discovered in 1877 by French astronomer Edouard Stephan in the constellation Pegasus, exemplifies the enhanced detail observable through larger astronomical apertures. The group ...

SpaceX is scheduled to launch the classified NROL-77 payload for the National Reconnaissance Office (NRO) on December 9th, completing the NRO's 2025 launch schedule and marking its second mission ...

Astrophysical jets are defined as rapid outflows from a central object that are focused into a narrow cone. These concentrated jets are observed across a diverse range of celestial objects, including ...

Comet 24P/Schaumasse is presented as an observable target, estimated at 12th magnitude, situated in the vicinity of Leo the Lion. Optimal viewing for Comet 24P/Schaumasse is specified for ...

On December 3, the Moon reaches perigee, its closest orbital point to Earth, followed by a Full Moon (the December Cold Moon) at 6:14 P.M. EST. This event is identified as a Super Moon, concluding a ...