Term
| the concept of music of the spheres was associated wiht the school of |
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| So far as we know the first of the greeks to consider the universe as capable of being understood using reason was |
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| The hippopede was introduced by which of the folowing to represent retorgrade motion |
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| According to Aristotles philosophy, the region of the universe where the natural motion of everything is vertical (up for light elements, down for heavy elements) is the |
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| Which of the following was not one of Aristotles arguments for the earths being spherical |
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Term
| Meteors are a phenomenon in the upper level of earths atmosphere according to aristotle because |
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Definition
| they change, whereas everything in the superlunary region is immutable |
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Term
| the relative distances of the sun and moon (essentially the ratio of those distances) were first estimated from observations by |
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| The idea that the daily motion of sun, moon planets and fixed stars is caused by the earths rotation was suggested by |
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| Eratosthenes is noteworthy for having |
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Definition
| first determined, rather accurately, the earths circumference |
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Term
| Eratosthenes is noteworthy for having |
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Definition
| first determined, rather accurately, the Earths circumference |
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Term
| Precession, with all its effects on star positions, was first discovered by |
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Definition
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Term
| The first reasonably close value for the moons geocentric parallax (and the first distance of a celestial body) was obtained by |
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Definition
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Term
| In the simplified Earth-centered epicyclic system we discussed in class, the deferent for a superior planet is identical in size to |
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Definition
| that planets orbit around the sun |
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Term
| In the modern way of reckoning (with respect to the fixed stars), an inferior planets period of revolution around its epicycle is |
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Term
| The work that contained Ptolemys detailed mathematical models for the planets (including the sun and moon) was the |
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Definition
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Term
| ptolemy introduced the equant in order to better represent the variable motion in longitude. it became the most controversial feature of his system because |
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Definition
| It violated the principle of uniform cicular motion |
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Term
| The term that applies to the thin crescent moon that marks the beginning of the month in the islamic calendar is |
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Definition
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Term
| trepidation, a supposed oscillation of the equinoxes around their average positions in addition to the steady westwards motion of precession, was introduced by |
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Definition
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Term
| Which of the following was the first incoporated in a zij by al-Battani |
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Definition
| advance of the solar apogee |
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Term
| The Maragha observatory produced which of the following zijs |
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Definition
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Term
| who was the person responsible for production of the only star catalogue of the islamic period which used newly-measured star positions instead of rehasing Ptolemys |
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Definition
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Term
| Who was the author of the university textbook on astronomy entitled Theory of the Planets |
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Definition
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Term
| The alfonsine tables, which became the standard planetary tables in use in Europe for several centuries until after the time of Copernicus were supposedly produced in what is the modern country of |
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Definition
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Term
| The first extensice (that is, over several decades) European series of high quality astronomical observations was carried out by |
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Definition
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Term
| Copernicus was dissatifsfied with the Ptolemaic system primairly because |
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Definition
| the equant violated the principle of uniform circular motion |
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Term
| which of the following statements about Copernicus work is not correct |
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Definition
| his models were much simpler than the ptolemaic ones |
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Term
| Rhetifus was the person who |
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Definition
| persuaded copernicus to write on the revolutions |
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Term
| The significance of Tychos measurements of the new star of 1572 at that time was that |
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Definition
| they showed that aristotle was wrong about the superlunary region never changing |
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Term
| Kepler first law of planetary motion states that |
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Definition
| a planets orbit is an ellipse with the sun at one focus |
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Term
| the size of an elliptical orbit is given by its |
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Definition
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Term
| which of the following of keplers works presented for the first time his first two laws of planetary motion |
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Definition
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Term
| The first set of planetary tables that was based on an essentially correct theory of the planets orbital motions was the |
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Definition
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Term
| The instrument that could be used for directly measuring the equatorial coordinates of a star or planet was the |
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Definition
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Term
| The approximate date of ptolemy is |
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Definition
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Term
| the approximate date of copernicus is |
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Definition
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Term
| Which of the following statements about astrology during the islamic period is true |
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Definition
| it was acceptable as a part of medical practice |
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Term
| Which of the following scholars was not associated with the house of wisdom in baghdad |
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Definition
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Term
| which of the following motions was definitely first suggested by thabit ibn Qrra Tobit |
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Definition
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Term
| which of the folloing zijes was noteworthy because it included a compilation of observational data on conjunctions and eclipses |
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Definition
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Term
| Which of the following first proposed the heliocentric theory |
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Definition
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Term
| Magnitudes were introduced by Hipparchus to categorize which of the following for stars |
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Definition
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Term
| Precession was discovered by which of the following |
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Definition
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Term
| Ptolemys detailed planetary modles were published in which of his works |
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Definition
| matematike syntaxis= mathematical compilation |
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Term
| In the simplified geocentric model we covered in lecture, the epicycle for an inferior planet is |
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Definition
| that planets orbit around the sun |
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Term
| ptolemys reason for introducing the equant into his models was to better represent the |
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Definition
| variableitude motion in long |
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Term
| the term hilal refers to which of the following |
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Definition
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Term
| which of the following was not associated wiht the house of wisdom in baghdad |
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Definition
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Term
| The advance of the suns apogee seems to have been first introduced into planetary tables by |
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Definition
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Term
| the book of the fixed stars with new magnitudes for some stars in place of ptolemys was the work of |
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Definition
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Term
| The so called Maragha school of planetary theory was established at the observatory of that name by |
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Definition
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Term
| Ibn al-Shatir was able to get rid of the equant using what device instead |
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Definition
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Term
| the only star catalogue to be published during the islamic period with positions that were newly measured was produced at which observatory |
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Definition
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Term
| The theory of the planets was a university text on astonomy written by |
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Definition
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Term
| the instrument that was used either to measure the angular separation between two objects in the sky or to measure an objects altitude was the |
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Definition
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Term
| Copernicus estimated the average distance of a superior planet from the sun in au by using |
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Definition
| trig with the angle calculated at its time of quadrature using orbital periods |
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Term
| the person responsible for getting Copernicus to write up his researches on planetary models was |
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Definition
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Term
| the greeks first estimated the earths circumference by |
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Definition
| finding the difference in the suns zenith distance between two cities separated by a known north-south distance |
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Term
| the advance of the suns apogee seems to have been first introduced into planetary tables by |
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Definition
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Term
| The new theory of the planets was a university text on astonomy written by |
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Definition
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Term
| The real significance of Copernicus book on the revolutions was that it |
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Definition
| reintroduced the idea of a heliocentric universe and presented arguments for it |
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Term
| Tycho Brahe didnt accept the Copernican system because |
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Definition
| he believed it would mean that the stars are ridiculously large |
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Term
| Keplers New Astronomy was the book which first presented |
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Definition
| his first two laws of planetary motion |
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