🇬🇧 – 🇮🇹 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!

🇬🇧 – 🇮🇹 In 1687 Isaac Newton’s Philosophiae Naturalis Principia Mathematica was published, one of the most important works of scientific thought, in which the English scientist enunciated the laws of dynamics and the law of universal gravitation. Nel 1687 viene pubblicato il Philosophiae Naturalis Principia Mathematica di Isaac Newton una delle più importanti opere…

🇬🇧 – 🇮🇹 Astronomers, supernovae, rover, comet, discoveries… Read the Astronomy Bulletin of toDay! Entra e leggi il bollettino per gli astronaviganti, oggi leggeremo su astronomi, supernove, comete, rover, scoperte…. Clicca ed entra!

🇬🇧 – 🇮🇹 In 2002, the Contour COmet Nucleus TOUR spacecraft (see photo) exploded en route to comet Encke. Nel 2002 esplode il veicolo spaziale Contour COmet Nucleus TOUR (vedi foto) in viaggio verso la cometa Encke. In 2005 the Deep Impact space probe (see photo) launched the Impactor module, aimed at 37,000 kilometers per hour against…

🇬🇧 – 🇮🇹 Astronomers, comets, asteroids… Read the Astronomy Bulletin of toDay! Entra e leggi il bollettino per gli astronaviganti, oggi leggeremo su astronomi, asteroidi, comete…. Clicca ed entra!