Ecliptic/Quizzes/Quiz 2

This is one of two quizzes pertinent to [Ecliptic (permalink)] that is also relevant to the Antikythera_mechanism/Quizzes. Randomized versions of this quiz are available on this /Testbank/. See also How to use this testbank. (These quizzes will be linked to Ecliptic after they have been verified.)


 * For hints on how to solve some of these problems visit this ../Gallery/.

Ecliptic quiz 2 (advanced-geocentric) version A
{Neither the ecliptic nor the path taken by the Moon are exact great circles because neither precisely closes on itself after one trip around the celestial sphere.} + true - false {A new or full moon occurs every time the Sun is on a node.} - true + false {A new or full moon occurs every time the Moon is on a node.} - true + false {A lunar eclipse occurs when the Moon and Sun are on the same node.} - true + false {A lunar eclipse occurs when the Moon and Sun are on opposite nodes.} + true - false {The Sun spends more time within 1 degree of a node than the Moon does} + true - false {The Moon spends more time within 1 degree of a node than the Sun does} - true + false {If both the ecliptic and the Moon's path on the celestial sphere remained constant} - there would not be any lunar eclipses - there would be an lunar eclipse every full moon + there would be two eclipse seasons in exactly one year {If the Moon's path on the celestial sphere was the same as the celestial equator} + there would be two eclipse seasons in exactly one year - there would be an lunar eclipse every full moon - there would not be any lunar eclipses {If you want to watch the same star rise every morning before sunrise, you will need to set your alarm by approximately _______ minutes earlier each morning because the Sun appears to drift________ with respect to the zodiacal stars. (Hint: Make a sketch)} - 1; eastward - 4; westward + 4; eastward - 1; westward {If you want to watch the same star rise every morning before sunrise, you will need to set your alarm by approximately _______ minutes earlier each morning because the stars appears to drift________ with respect to the Sun. (Hint: Make a sketch)} + 4; westward - 1; eastward - 1; westward - 4; eastward