On Oct. 1, 1847, Maria Mitchell was positioned on the roof of the Pacific National Bank on Main Street in her hometown of Nantucket, Massachusetts. Sweeping the sky with her family’s 2-inch reflector, ...
On Sept. 30, 1880, in a pioneering moment for astrophotography, amateur astronomer Henry Draper and his wife, Anna, captured the first image of the Orion Nebula. Though a medical doctor by trade, ...
Key Takeaways: On Nov. 24, 2021, the Double Asteroid Redirection Test (DART) launched. The spacecraft was on its way to Dimorphos, part of a binary system with the asteroid Didymos. Nearly a year ...
The Moon reaches apogee, the farthest point from Earth in its orbit, at 5:46 A.M. EDT. At that time, our satellite will stand 251,996 miles (405,548 km) away. With the Moon sinking low in the hours ...
Tiny pieces of glass found scattered across Australia have revealed evidence of a previously unknown giant asteroid impact. This discovery centers on a new type of tektite, a natural glass formed when ...
Ole Roemer, born September 25, 1644, studied at the University of Copenhagen under Erasmus Bartholin, contributing to the editing of Tycho Brahe's manuscripts. Following a move to Paris in 1672, ...
The autumnal equinox occurs at 2:19 P.M. EDT, marking the beginning of astronomical autumn in the Northern Hemisphere and spring in the Southern Hemisphere, with equal sunlight distribution across ...
Saturn reached opposition at 2 A.M. EDT, exhibiting high visibility throughout the night and presenting optimal viewing conditions for its rings and moons. Saturn's apparent magnitude was 0.6 in ...
Key Takeaways: Cocconi and Morrison's 1959 Nature paper, "Searching for Interstellar Communications," provided a foundational scientific framework for the then-unconventional field of SETI. The paper ...
On September 19th, a close conjunction of the Moon, Venus, and Regulus will be observable in the eastern sky before sunrise. The Andromeda Galaxy (M31), along with its companion galaxies M32 and NGC ...
A close conjunction of the waning crescent Moon (approximately 26% illuminated) and Jupiter occurred around 7 A.M. EDT, observable in the eastern sky before sunrise, with the Moon positioned between ...
August 22nd: The Swan Nebula (M17) reaches its highest point around 11 PM local daylight time, observable with binoculars or telescopes in northwestern Sagittarius. August 23rd: A New Moon, termed a ...
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