Eugène Michel Antoniadi

"Antoniadi" redirects here. For other uses, see Antoniadi (disambiguation).

Eugène Michel Antoniadi (March 1, 1870 – February 10, 1944) was a Greek astronomer, born in Asia Minor, who spent most of his life in France. Events 86 BC - Lucius Cornelius Sulla, at the head of a Roman Republic army enters in Athens, removing the Tyrant Year 1870 ( MDCCCLXX) was a Common year starting on Saturday (link will display the full calendar of the Gregorian calendar (or a Common Events 1355 - The St Scholastica's Day riot breaks out in Oxford, England, leaving 63 scholars and perhaps 30 locals dead Year 1944 ( MCMXLIV) was a Leap year starting on Saturday (link will display full calendar of the Gregorian calendar. The Greeks ( Greek: Έλληνες) are a Nation and Ethnic group native to Greece, Cyprus and neighbouring regions Historically Astronomy was more concerned with the classification and description of phenomena in the sky while Astrophysics attempted to explain these phenomena Anatolia (Anadolu Ανατολία Anatolía) or Asia minor, comprising most of modern Turkey, is the geographic region bounded by the Black This article is about the country For a topic outline on this subject see List of basic France topics. He was also known as Eugenios Antoniadis. His name is also sometimes given as Eugène Michael Antoniadi or even incorrectly Eugène Marie Antoniadi. He became a highly reputed observer of Mars, and at first supported the notion of Martian canals, but after using the 83 centimeter telescope at Meudon Observatory during the 1909 opposition of Mars, he came to the conclusion that canals were an optical illusion. For a time in the late 19th and early 20th centuries it was believed that there were canals on Mars. A centimetre ( American spelling: centimeter, symbol cm) is a unit of Length in the Metric system, equal to one hundredth A telescope is an instrument designed for the observation of remote objects and the collection of Electromagnetic radiation. The Paris Observatory (in French Observatoire de Paris or Observatoire de Paris-Meudon) is the foremost astronomical observatory of France, Year 1909 ( MCMIX) was a Common year starting on Friday (link will display full calendar of the Gregorian calendar (or a Common year starting Opposition is a term used in Positional astronomy and Astrology to indicate when one celestial body is on the opposite side of the sky when viewed from This article is about visual perception See Optical Illusion (Album for information about the Time Requiem album He also observed Venus and Mercury. The VENUS ( V ictoria E xperimental N etwork U nder the S ea project is a cabled sea floor observatory operated by the University He made the first attempts to draw a map of Mercury, but his maps were flawed by his incorrect assumption that Mercury had synchronous rotation with the Sun. A map is a visual representation of an area—a symbolic depiction highlighting relationships between elements of that space such as objects, Regions, and Themes In Astronomy, synchronous rotation is a planetological term describing a body orbiting another where the orbiting body takes as long to rotate The Sun (Sol is the Star at the center of the Solar System. A crater on Mars and the Antoniadi crater on the Moon were named in his honor, as well as Antoniadi Dorsum on Mercury itself. In the broadest sense the term impact crater can be applied to any depression natural or manmade resulting from the high velocity impact of a projectile with larger body Antoniadi is a large lunar Impact crater that lies on the southern hemisphere on the far side of the Moon. Antoniadi Dorsum is a ridge on Mercury at. It was named by the International Astronomical Union after Eugène Michel Antoniadi. He is also famed for creating the Antoniadi scale of seeing, which is commonly used by Amateur astronomers. The Antoniadi scale is a system used by amateur Astronomers to categorise the weather conditions when viewing the stars at night Amateur astronomy, a subset of Astronomy, is a Hobby whose participants enjoy studying and observing celestial objects He was also a strong chess player. Chess is a recreational and competitive Game played between two players. His best result was equal first with Frank Marshall in a tournament in Paris in 1907, a point ahead of Savielly Tartakower. Frank James Marshall ( August 10 1877 &ndash November 9 1944) was the U Paris (ˈpærɨs in English; in French) is the Capital of France and the country's largest city Year 1907 ( MCMVII) was a Common year starting on Tuesday (link will display the full calendar of the Gregorian calendar (or a Common year Ksawery Tartakower (Russian Савелий Григорьевич Тартаковер generally known as Saviely or Savielly Tartakower in English less often

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