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Hace 1 día · Galileo di Vincenzo Bonaiuti de' Galilei (15 February 1564 – 8 January 1642), commonly referred to as Galileo Galilei ( / ˌɡælɪˈleɪoʊ ˌɡælɪˈleɪ / GAL-il-AY-oh GAL-il-AY, US also / ˌɡælɪˈliːoʊ -/ GAL-il-EE-oh -, Italian: [ɡaliˈlɛːo ɡaliˈlɛːi]) or simply Galileo, was an Italian astronomer, physicist and engineer, sometimes described as a polymath.
Hace 2 días · The Moon is Earth's only natural satellite.It orbits at an average distance of 384,400 km (238,900 mi), about 30 times the diameter of Earth. Over time Earth's gravity has caused tidal locking, causing the same side of the Moon to always face Earth. Because of this, the lunar day and the lunar month are the same length, at 29.5 Earth days. The Moon's gravitational pull – and to a lesser ...
Hace 4 días · Apollo 1, initially designated AS-204, was planned to be the first crewed mission of the Apollo program, the American undertaking to land the first man on the Moon. It was planned to launch on February 21, 1967, as the first low Earth orbital test of the Apollo command and service module.
Hace 1 día · How did the Moon form?The prevailing theory on the formation of the Moon, known as the Giant Impact Hypothesis, suggests that it resulted from a colossal col...
Hace 5 días · The impact sent chunks of Earth and the impactor into space that were pulled together by gravity, creating the Moon. How do we study the Moon? Even thousands of years ago, humans drew pictures to track the changes of the Moon. Later, people used their observations of the Moon to create calendars.
Hace 5 días · Polish astronomer Johannes Hevelius began telescopic observations of the Moon in 1643 with a telescope that he made. Hevelius published his observations in his 1647 book, Selenographia . The treatise includes three large, detailed lunar maps (one of which is on display in the adjacent case) and 40 engravings of the Moon in various phases
Hace 5 días · Description. Apollo 11 was the first mission in which humans walked on the lunar surface and returned to Earth.
