Early telescopes/Quiz

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This is an image of a painting by artist Giorgio Vasari (1511–1574). Credit: Dodo Vasari.

Early telescopes is a lecture for the instruments project of the same name studying the possibility that telescopes in some form have been used from the Earth's surface for millennia.

You are free to take this quiz based on early telescopes at any time.

To improve your score, read and study the lecture, the links contained within, listed under See also, External links, and in the {{Radiation astronomy resources}} template.

This should give you adequate background to get 100 %.

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Enjoy learning by doing!




Yes or No, The early telescopes as manufactured in the Netherlands about 1610 (390 b2k) are refracting.



True or False, Galileo always insisted that the ancients had telescopes.



Complete the text:

The Russians have found

lenses, perfectly spherical and of great precision, in ancient Egypt, during the

-dominated period.


Yes or No, The first known practical telescopes were invented in the Netherlands at the beginning of the 17th century, using glass lenses.



True or False, As many Italians were in the Netherlands fighting the Spanish, some with experience in grinding lenses for optical uses, it is likely a few carried with them optical transits such as the one dated to 1590 made in Italy which were so common as to be taken for granted by historians, modifiable into telescopes.



Complete the text:

Beeckman recorded in his journal that during one of these lessons Johannes

told him that the first telescope in the Netherlands had been made in

by his father, after the model of an instrument in the possession of an

. This instrument bore the date of



Yes or No, c. 3500 B.C. Phoenicians cooking on sand discover glass.



True or False, The first occurrence of the word "theodolite" is found in the surveying textbook A geometric practice named Pantometria (1571) by Leonard Digges, which was published posthumously by his son, Thomas Digges.



The first instrument more like a true theodolite was likely the one built by Joshua Habermel in Germany in 1576, complete with compass and



True or False, Although lost to Europe since the terminus of the Greco-Roman era, Gerbert reintroduced the astronomical armillary sphere to Latin Europe via Al-Andalus in the late 10th century.



  1. A careful and systematic comparison of a telescope and a torch that look like the item balancing or attached to the armillary sphere should be able differentiate between a telescope and a torch.

See also[edit]

External links[edit]