a synodic month is determined with respect to the very distant, background stars a sidereal month can also be called the 'month of phases' the two months are different because, during the same time that the moon is orbiting earth, the earth is orbiting the sun, and the moon has to catch up a sidereal month is 29.5 days, while a synodic month is 27.3 days a synodic month is the time it takes the moon to make one 360 orbit around the earth Remember Surprise #1, last Tuesday?
(a sidereal month; can also be called; the 'month of phases) (a synodic month; is; the time it takes the moon to make one 360 orbit around the earth) (the two months; are; different; because, during the same time that the moon is orbiting earth, the earth is orbiting the sun) Context(the two months are,List([139, 157))):(a synodic month; is determined; ) (the moon; is orbiting; earth; T:the same time) (a synodic month; is; 27.3 days) (the earth; is orbiting; the sun; T:during the same time)
the two months are,List([139, 157))
a sidereal month a synodic month the two months a synodic month the moon a synodic month the earth
can also be called is are is determined is orbiting is is orbiting
the 'month of phases
the time it takes the moon to make one 360 orbit around the earth
different because, during the same time that the moon is orbiting earth, the earth is orbiting the sun
earth T:the same time
27.3 days
the sun T:during the same time