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The year 1801 in science and technology involved some significant events, listed below.
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The year 1801 in science and technology involved some significant events, listed below.
Johann Elert Bode was a German astronomer known for his reformulation and popularisation of the Titius–Bode law. Bode determined the orbit of Uranus and suggested the planet's name.
1801 (MDCCCI) was a common year starting on Thursday of the Gregorian calendar and a common year starting on Tuesday of the Julian calendar, the 1801st year of the Common Era (CE) and Anno Domini (AD) designations, the 801st year of the 2nd millennium, the 1st year of the 19th century, and the 2nd year of the 1800s decade. As of the start of 1801, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
Giuseppe Piazzi was an Italian Catholic priest of the Theatine order, mathematician, and astronomer. He established an observatory at Palermo, now the Osservatorio Astronomico di Palermo – Giuseppe S. Vaiana. He is perhaps most famous for his discovery of the first dwarf planet, Ceres.
Joseph Jérôme Lefrançois de Lalande was a French astronomer, freemason and writer.
Astronomical symbols are abstract pictorial symbols used to represent astronomical objects, theoretical constructs and observational events in European astronomy. The earliest forms of these symbols appear in Greek papyrus texts of late antiquity. The Byzantine codices in which many Greek papyrus texts were preserved continued and extended the inventory of astronomical symbols. New symbols have been invented to represent many planets and minor planets discovered in the 18th to the 21st centuries.
The year 1819 in science and technology involved some significant events, listed below.
The year 1802 in science and technology involved some significant events, listed below.
The year 1746 in science and technology involved some significant events.
The year 1847 in science and technology involved some significant events, listed below.
The year 1794 in science and technology involved some significant events.
The year 1798 in science and technology involved some significant events.
The year 1844 in science and technology involved some significant events, listed below.
1000 Piazzia, provisional designation 1923 NZ, is a carbonaceous background asteroid from the outer region of the asteroid belt, approximately 48 kilometers in diameter. It was discovered on 12 August 1923, by German astronomer Karl Reinmuth at Heidelberg Observatory in southern Germany. The C-type asteroid has a rotation period of 9.5 hours. It was named after Italian Giuseppe Piazzi, who discovered 1 Ceres.
Gaussia, provisional designation 1923 OA, is a dark background asteroid from the outer regions of the asteroid belt, approximately 73 kilometers in diameter. It was discovered on 8 August 1923, by Soviet astronomer Sergey Belyavsky at the Simeiz Observatory on the Crimean peninsula. The asteroid was named after German mathematician Carl Friedrich Gauss. Gauss computed the orbit of Ceres, and 1001 Gaussia was named along with 1000 Piazzia, and 1002 Olbersia in part for their work on Ceres, with names for Giuseppe Piazzi, who found Ceres, and Heinrich Wilhelm Matthias Olbers, who recovered it later that year.
Ceres, minor-planet designation 1 Ceres, is a dwarf planet in the middle main asteroid belt between the orbits of Mars and Jupiter. It was the first asteroid discovered on 1 January 1801, by Giuseppe Piazzi at Palermo Astronomical Observatory in Sicily and announced as a new planet. Ceres was later classified as an asteroid and then a dwarf planet, the only one always inside Neptune's orbit.
Phaeton was the hypothetical planet hypothesized by the Titius–Bode law to have existed between the orbits of Mars and Jupiter, the destruction of which supposedly led to the formation of the asteroid belt. The hypothetical planet was named for Phaethon, the son of the sun god Helios in Greek mythology, who attempted to drive his father's solar chariot for a day with disastrous results and was ultimately destroyed by Zeus.
10001 Palermo, provisional designation 1969 TM1, is a Vestian asteroid and a slow rotator from the inner regions of the asteroid belt, approximately 4 kilometers (2.5 miles) in diameter. It was discovered on 8 October 1969, by Soviet–Russian astronomer Lyudmila Chernykh using a 0.4-meter double astrograph at the Crimean Astrophysical Observatory in Nauchnij on the Crimean peninsula. The asteroid is likely elongated in shape and has a long rotation period of 213 hours. It was named for the Italian city of Palermo to commemorate the discovery of Ceres two hundred years earlier.
Clifford J. Cunningham is a Canadian-Scottish professional astronomer and author of numerous books on asteroids.
The Giuseppe S. Vaiana Astronomical Observatory is an astronomical observatory located in Palermo, Sicily, Italy, housed inside the Palazzo dei Normanni. It is one of the research facilities of the National Institute of Astrophysics. The observatory carries out research projects in the field of astronomy and astrophysics including the study of solar and stellar coronas, stellar evolution and of the supernova remnants.
The celestial police, officially the United Astronomical Society, were an informal group of astronomers working in the early 19th century with the express purpose of finding additional planets in the Solar System. Inspired by the work of William Herschel and the discovery of Uranus, the first planet not known to the ancients, the celestial police made discoveries of numerous objects in orbit around the Sun, notably several of those in orbit between Mars and Jupiter, which would lead to the identification of the asteroid belt.