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Há 1 dia · Using his refracting telescope, Galileo observed in late 1609 that the surface of the Moon is not smooth. Early the next year, he observed the four largest moons of Jupiter. Later in 1610, he observed the phases of Venus—a proof of heliocentrism—as well as Saturn, though he thought the planet's rings were two other planets.
Há 5 dias · In astronomy, Kepler's laws of planetary motion, published by Johannes Kepler between 1609 and 1619, describe the orbits of planets around the Sun. The laws modified the heliocentric theory of Nicolaus Copernicus , replacing its circular orbits and epicycles with elliptical trajectories, and explaining how planetary velocities vary.
Há 4 dias · Telescopic exploration (1609–1959) Main article: Exploration of the Moon § Before spaceflight Galileo 's sketches of the Moon from the ground-breaking Sidereus Nuncius (1610), publishing among other findings the first descriptions of the Moon's topography
Há 4 dias · List of Bulgarian monarchs. The monarchs of Bulgaria ruled Bulgaria during the medieval First ( c. 680–1018) and Second (1185–1422) Bulgarian empires, as well as during the modern Principality (1879–1908) and Kingdom (1908–1946) of Bulgaria.
- c. 680
- His Majesty
Há 2 dias · This is a list of the largest known epidemics and pandemics caused by an infectious disease in humans. Widespread non-communicable diseases such as cardiovascular disease and cancer are not included. An epidemic is the rapid spread of disease to a large number of people in a given population within a short period of time; in meningococcal ...
Há 3 dias · 1609: 1613: 1619: 1621: 1627: 1637: 1657: 261–280 1663: 1667: 1669: 1693: 1697: 1699: 1709: 1721: 1723: 1733: 1741: 1747: 1753: 1759: 1777: 1783: 1787: 1789: 1801: 1811: 281–300 1823: 1831: 1847: 1861: 1867: 1871: 1873: 1877: 1879: 1889: 1901: 1907: 1913: 1931: 1933: 1949: 1951: 1973: 1979: 1987: 301–320 1993: 1997: 1999: 2003 ...
Há 2 dias · Okinawa was ruled by the Ryukyu Kingdom from 1429 and unofficially annexed by Japan after the Invasion of Ryukyu in 1609. Okinawa was officially founded in 1879 by the Empire of Japan after seven years as the Ryukyu Domain, the last domain of the Han system.
