id author title date pages extension mime words sentences flesch summary cache txt 40240 Olmsted, Denison Letters on Astronomy in which the Elements of the Science are Familiarly Explained in Connection with Biographical Sketches of the Most Eminent Astronomers .txt text/plain 141513 5138 62 sun, in the moon, in the planets, and especially in the fixed stars, are that the sun, moon, and stars, revolve about it, every day, from east to a _year_ is the period of the revolution of the earth around the sun. motion of the sun around the earth once a year, and occasions the change The motion of the earth in its orbit is nearly seventy times as great as Were a body to fall from a great distance,--suppose a thousand times We have thus far taken the earth's orbit around the sun as a great twenty-seven days while the moon has been going round the earth, the sun the sun's apparent revolution round the earth once a year he is situation of the sun, the moon, and the earth, at the time of a solar the earth's periodic time is one year, and that of the planet Jupiter ./cache/40240.txt ./txt/40240.txt