77.(Pg. [107]) The solar year is completed before the earth has made a complete revolution in its orbit, by what is this caused?
78.(Pg. [107]) What is this called, and what is represented respecting it by [fig. 1, plate 11]?
79.(Pg. [107]) By what means can we ascertain the period of a complete revolution of the earth in its orbit, as illustrated by the fixed star E, in [fig. 1]?
80.(Pg. [107]) What difference is there in the length of the solar and sidereal year?
81.(Pg. [107]) Why can we not always ascertain the true time by the apparent place of the sun?
82.(Pg. [108]) What would be the greatest difference between solar, and true time, as indicated by a perfect clock?
CONVERSATION IX.
ON THE MOON.
OF THE MOON'S MOTION. PHASES OF THE MOON. ECLIPSES OF THE MOON. ECLIPSES OF JUPITER'S MOONS. OF LATITUDE AND LONGITUDE. OF THE TRANSITS OF THE INFERIOR PLANETS. OF THE TIDES.
MRS. B.