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 ...

The article details a significant astronomical event: the transit of Jupiter's moon Io and its shadow across the gas giant's disk, observed overnight from December 27th into December 28th. The ingress ...

On December 28, 2025, the open cluster M41 in Canis Major, located 4° south of Sirius and shining at magnitude 4.5, is best observed around local midnight when it is 30° above the southern horizon, ...

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 ...

Earth's orbit is an ellipse, not a perfect circle. Earth's distance from the Sun varies by about 3 million miles throughout the year. Earth's orbit's semimajor axis is approximately 93 million miles.

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 ...

Early understanding of the Milky Way's shape was limited by our internal perspective, initially assuming a typical spiral structure. In 2005, the GLIMPSE survey, utilizing data from the Spitzer Space ...

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.

All Apollo lunar modules, except for Apollo 10's "Snoopy," either impacted the lunar surface or disintegrated in Earth's atmosphere. Apollo 10's lunar module, "Snoopy," was jettisoned and intended to ...

European regulators issued an Emergency Airworthiness Directive grounding specific Airbus A319, A320, and A321 aircraft after an "uncommanded and limited pitch down" incident on a JetBlue flight, ...

Asteroids, characterized by their "starlike" telescopic appearance, are rocky celestial bodies predominantly found in the main belt between Mars and Jupiter, though a significant subset known as ...

August 2025 offers several planetary conjunctions, including a close approach of Venus and Jupiter on August 12th, and a second conjunction of Saturn and Neptune on August 6th, with a third occurring ...