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Le 31 mars est le 90 e jour, moins souvent le 91 e, de l'année du calendrier grégorien ; il en reste ensuite 275.
Marte è il quarto pianeta del sistema solare in ordine di distanza dal Sole; [4] è visibile a occhio nudo ed è l'ultimo dei pianeti di tipo terrestre dopo Mercurio, Venere e la Terra (1,52 UA di distanza dal sole).
- 206 644 545 km, 1,381 au
Mars is the fourth planet from the Sun. The surface of Mars is orange-red because it is covered in iron(III) oxide dust, giving it the nickname "the Red Planet". Mars is among the brightest objects in Earth's sky and its high-contrast albedo features have made it a common subject for telescope viewing.
- 24.07 km/s, (86700 km/h; 53800 mph)
- 1.025957 d, 24ʰ 37ᵐ 22.7ˢ
- 241 m/s, (870 km/h; 540 mph)
March 31 - Wikipedia. March 31 is the 90th day of the year (91st in leap years) in the Gregorian calendar; 275 days remain until the end of the year. Events. Pre-1600. 307 – After divorcing his wife Minervina, Constantine marries Fausta, daughter of the retired Roman emperor Maximian. [1]
31 Mars. 197 gjuh ë. Аԥсшәа ... 31: Ngjarje. 1889. - është hapur Kulla e Ajfelit, deri ateherë ndërtesa më e lartë në botë. Lindje. 1519 - Henri II ...
31 marzo. Il 31 marzo è il 90º giorno del calendario gregoriano (il 91º negli anni bisestili ). Mancano 275 giorni alla fine dell' anno .
31 mar 2012 · Historical Events on March 31. Summary. Events. Birthdays. Deaths. Weddings. Events 1 - 200 of 213. 1084 Anti-pope Clemens crowns German King Hendrik IV as Holy Roman Emperor. Council of Vézelay. 1146 Bernard of Clairvaux preaches his famous sermon in a field at Vézelay, urging the necessity of a Second Crusade.