🇬🇧 – 🇮🇹 In 1943, the English astronomer Jocelyn Bell was born (see photo); she discovered the first pulsar (pulsating radio source) in 1967. Curiosity: the first pulsar bears the name of LGM-1, where LGM is the acronym of Little Green Men (little green man) because when J. Bell listened to the background noise of…

🇬🇧 – 🇮🇹 Click on the Astronomy Bulletin of the toDay, read about astronomers, probes, space missions and asteroid! Entra nel bollettino per gli astronaviganti di oggi per scoprire le news scientifiche nella storia, tratteremo missioni spaziali, sonde e… entra e vedrai 😉

🇬🇧 – 🇮🇹 Click on the Astronomy Bulletin of the toDay for historical news and beautiful images! Entra nel bollettino per gli astronaviganti di oggi per scoprire le news scientifiche nella storia e ammira splendide immagini!

🇬🇧 – 🇮🇹 In 1764 the French astronomer Charles Messier discovered M27 “dumbbell nebula”, the first planetary nebula (in Vulpecula, see photo Liverpool Telescope). The Dumbbell Nebula is quite easy to locate, being about three degrees north of the star γ Sagittae, of magnitude 3.5 (see Sky telescope map); it is easily visible even with…

🇬🇧 – 🇮🇹 In 1732 the French astronomer Joseph-Jerôme Lefrançais de Lalande was born, director of the Paris Observatory from 1795 to 1801, who compiled the most complete catalog of his time with indications of the position of 47,390 stars, Histoire Céleste Française. Nel 1732 nasce l’astronomo francese Joseph-Jerôme Lefrançais de Lalande, direttore dell’Osservatorio di…

🇬🇧 – 🇮🇹 In 1832 the American Alvan Graham Clark was born, known for having first observed Sirius B while testing a new 18-inch refracting telescope in Cambridgeport, Massachusetts. Sirius B (see photo) is the eighth-magnitude apparent companion to Sirius which was also one of the first observed white dwarfs Nel 1832 nasce l’americano Alvan…

🇬🇧 – 🇮🇹 In 1596 Johannes Kepler published the Mysterium Cosmographicum (see image of the model of the solar system) with his results of the studies carried out on the order of the solar system. The German astronomer supports the conception of a nature structured geometrically by God. From this assumption Kepler believes he can…

🇬🇧 – 🇮🇹 In 1695 the Dutch mathematician, astronomer and physicist (one of the protagonists of the scientific revolution), Christiaan Huygens, died. In 1655, using a refracting telescope of his own manufacture, he discovered Saturn’s largest moon, Titan, and theorized that Saturn was surrounded by a thin and flat ring, not connected to the planet,…

🇬🇧 – 🇮🇹 In 1816 was born the Swiss astronomer Rudolf Wolf, known for having introduced the relative number of wolf [R=K x (10G+M)] in 1848 to determine an estimate of solar activity. Particularly dedicated to the study of sunspots, he collected their observations from the time of Galileo. In the photo we see the…

🇬🇧 – 🇮🇹 Astronomers, spacecraft, exoplanets, discoveries… Read the Astronomy Bulletin of toDay! Entra e leggi il bollettino per gli astronaviganti, tra astronomi, navicelle spaziali, pianeti extrasolari, scoperte dal Cern… Clicca ed entra!