The ice in Antarctica is three miles thick in places. The Astrolabe Subglacial Basin has the thickest ice in the world: a jaw-dropping 4,776m (15,669ft). For context, that’s half the height of Mount Everest. (Source:BBC) BASThe Astrolabe Basin has the thickest ice in the world 3....
The Canterbury Tales, frame story by Geoffrey Chaucer, written in Middle English in 1387–1400. The framing device for the collection of stories is a pilgrimage to the shrine of Thomas Becket in Canterbury, Kent. Learn more about The Canterbury Tales in
was marked with a cross; the ornament into which this cross developed continued on British compass cards well into the 19th century. The use of 32 points by sailors of northern Europe, usuallyattributedto Flemish compass makers, is mentioned byGeoffrey Chaucerin hisTreatise on the Astrolabe(1391...
Geoffrey Chaucer's major works includeRoman de la Rose,The Book of the Duchess, The House of Fame, Anelida and Arcite, Parliament of Foules, Boece, Troilus and Criseyde, The Legend of Good Women, The Canterbury Tales, andA Treatise on the Astrolabe. ...
Hypatia wrote a number of books on mathematics and other subjects, as well as criticisms of philosophical and mathematical concepts. One of Synesius’ letters describes Hypatia as having taught him how to invent the silver plane astrolabe, a device used to calculate date and time based on the ...
What Are Some Fun Facts About Sundials? Lesson Summary Additional Activities Activities on Sundials Activity Make a homemade sundial. Take a paper plate, turn it upside down, and make twelve evenly-spaced tick marks around the outside of the plate. Label the tick marks with the numbers 1 thr...
the Astrolabe.Death and LegacyIn 1389, Chaucer worked as Clerk of the Works in the Palace of Westminster Abbey. While working, he was robbed twice, which worsened his finances. In addition, the palace stopped giving him a pension. Chaucer resigned and worked as a gardener at the king’s ...
Traditionally on earth we used the astrolabe and sextant and a chronometer to make our measurements. However, in discussing with my students about what we see of the moon in the sky I avoided all talk about making any measurements about movements of the moon. I was simply playing games with...
but they learned approximately how to correct the readings. Theastrolabe, used for determining latitude by the altitude of stars, had been known since Roman times, but its employment by seafarers was rare, even as late as 1300; it became more common during the next 50 years, though most pil...
The astrolabe, used for determining latitude by the altitude of stars, had been known since Roman times, but its employment by seafarers was rare, even as late as 1300; it became more common during the next 50 years, though most pilots probably did not possess it and often did not need ...