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 ...
Mariner 1 and 2, twin spacecraft developed from the Ranger lunar probe and equipped with seven instruments, were designed for a joint mission to Venus; however, Mariner 1 failed minutes after its July ...
On December 12, Uranus will be observable in western Taurus, situated 7 arcminutes due south of the 6th-magnitude star 14 Tauri, providing an identification aid. The Geminid meteor shower is forecast ...
Following its lunar mission, China's Chang'e 2 probe performed a flyby of asteroid 4179 Toutatis on December 13, 2012, after departing lunar orbit on June 9, 2011. During the 25-minute flyby, ...
On December 9th, Neptune will attain its stationary point at 7 P.M. EST, marking the conclusion of its retrograde motion. The ice giant will be situated near Saturn and the Circlet of Pisces in the ...
New research has mapped 16 extensive, interlaced river systems on Mars, dating back approximately 3.7 billion years to the Early Hesperian Period. These large river systems, despite covering only ...
A grand-design spiral galaxy, named Alaknanda, was discovered forming approximately 1.5 billion years after the Big Bang, challenging previous astrophysical models on the timescale required 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 ...
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 ...
A study led by Tomomichi Fujita investigated the survivability of the extremophile moss *Physcomitrium patens* in space, a critical inquiry for establishing extraterrestrial human habitats. Pre-flight ...
On December 2nd, Ganymede's shadow will egress from Jupiter's disk at 4:18 A.M. EST, followed by Ganymede's three-hour transit commencing at 4:44 A.M. EST. The double star 145 CMa, also known as the ...
The primary observational focus is Jupiter, featuring a transit of its moon Ganymede and its associated shadow. Prior to the transit, Ganymede and Europa will execute a close alignment and pass east ...
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