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Results tagged with astronomy
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user 12708
The study of celestial objects and phenomena outside of the Earth's atmosphere.
0
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How large were the differences in the orbit of Uranus which led to the calculation of the ex...
It is possible that some persons here might not understand the scale of deviations in the answers, So I decided to post an answer myself using the data from the two answers so far to explain the scale …
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3
votes
Who else measured the circumference of the Earth in the Antiquity?
The crater Almanon on the moon is named in recognition of his contributions to astronomy. …
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4
votes
Accepted
Why did it take so long to discover the shape of the Milky Way?
I note that with the developement of radio astronomy after WWII, astronomers traced the radio waves emitted by interstellar clouds of hygrogen and began to use them to trace the spiral arms of the Milky …
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2
votes
Name of Polaris before it became a pole star?
Stars of Jade: Astronomy and Star Lore of Very Ancient Imperial China Julius H.W. Staal, 1984, has a lot of information about Chinese constellations and star names. …
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2
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How did the ancients determine the exact time of equinoxes and solstices?
Ancient astronomers could find the dates of solstices and equinoxes for many years in a row (except for years they were not observable, and add up the total days between events separated by many years …
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5
votes
Accepted
How did Scott and Amundsen detect the South Pole?
I'm certain that Scott and Amundsen didn't detect the exact South Pole but more less reached a position that explorers would think was close enough to count.
One technique they probably used was to me …
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-1
votes
Could 17th century astronomers in the Netherlands predict solar eclipses a few months in adv...
In short, I don't know.
One problem in the 17th century was that astronomers didn't know the scale of the Sun-Earth-Moon system. The approximate sizes of the Earth and the Moon and their approximate …
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3
votes
How was stellar parallax tested by Tycho Brahe?
Actually, ancient, medieval, and early modern astronomers mostly believed that the stars were lights attached to the inside of a hollow sphere centered on Earth and that the hollow sphere rotated 360 …
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5
votes
Has science fiction ever caused scientists to do real research?
There was a boy born on October 5, 1882 who read The War of the worlds (1897, 1898) by H.G. Wells, at age 16 and became interested in space, which led to an experience on October 19, 1899.
On this da …
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