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The 1520s BC was a decade lasting from January 1, 1529 BC to December 31, 1520 BC. Events ... 1521 BC—April 24—Lunar Saros 36 begins. [1] Significant people
Lunar eclipses are somewhat rare events, although not as rare as solar eclipses, because unlike solar eclipses they can be viewed from anywhere on the dark side of the Earth. Throughout history lunar eclipses have been held to be responsible for lost battles, and have helped make possible extraordinary escapes.
In the 5,000 years from 2000 BC to 3000 AD, there will be a total of 12,064 lunar eclipses: ... The longest partial lunar eclipse during this period will occur on 8 ...
A lunar eclipse occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. By type. List of central lunar eclipses;
At least two lunar eclipses and as many as five occur every year, although total lunar eclipses are significantly less common than partial lunar eclipses. If the date and time of an eclipse is known, the occurrences of upcoming eclipses are predictable using an eclipse cycle , like the saros .
c. 750 BCE – During the reign of Nabonassar (747–733 BC), the systematic records of ominous phenomena in Babylonian astronomical diaries that began at this time allowed for the discovery of a repeating 18-year cycle of lunar eclipses. [6] 776 BCE – Chinese make the earliest reliable record of a solar eclipse. [7] [failed verification]
776 BC - Chinese make the earliest reliable record of a solar eclipse. 613 BC - In July, a Comet, possibly Comet Halley, is recorded in the Spring and Autumn Annals (秋七月，有星孛入于北斗). 532 BC - A nova was recorded in the Records of the Grand Historian and Zuo Zhuan (周景王十三年春，有星出婺女).
Indian mathematician-astronomer Bhāskara II, in his Siddhanta Shiromani, calculates the longitudes and latitudes of the planets, lunar and solar eclipses, risings and settings, the Moon's lunar crescent, syzygies, and conjunctions of the planets with each other and with the fixed stars, and explains the three problems of diurnal rotation.