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5 giorni fa · Early Telescopic Observations. Telescopic study of the Moon began in the first decade of the 17th century soon after the invention of the telescope. Galileo’s engraving of a first quarter Moon. Galileo observed the Moon with his telescope for nearly a month beginning in late November 1609. Image source: Galilei, Galileo.
1 giorno fa · The aperture cover was kept in place until just prior to Galileo's flyby of Gaspra. The camera shutter (also a Voyager flight spare) allowed for a minimum exposure time of 4.167 ms and a maximum exposure time of 51.2 s. The detector was a virtual phase, buried channel, thick, frontside illuminated, 800 x 800 line CCD, 12.19 x 12.19 mm in size.
4 giorni fa · Rings of Saturn. The full set of rings, imaged as Saturn eclipsed the Sun from the vantage of the Cassini orbiter, 1.2 million km (¾ million miles) distant, on 19 July 2013 (brightness is exaggerated). Earth appears as a dot at 4 o'clock, between the G and E rings. The rings of Saturn are the most extensive and complex ring system of any ...
21 ore fa · Galileo's half-brother Sea The Stars (Ire) supplied two winners, as did his son Frankel (GB). The only stallion to be represented by two Group 1 winners at Royal Ascot was Dark Angel (Ire), and we ...
2 giorni fa · William Shakespeare. Without Shakespeare the world would be bereft of some of the finest plays ever conceived. As the greatest writer in the English language and the world's pre-eminent dramatist ...
4 giorni fa · The meaning of EPPUR SI MUOVE is and yet it does move —attributed to Galileo after being forced to recant his assertion that the earth moves around the sun.
