20 with its moon ; still farther from it is Mars ; and be. youd him are Jupiter and Saturn, with their moons, which are alí eulightened by the su:1. - Pup. Has not a new planet lately been discovered 2 Ta'. Yes, by that celebrated astronomer Dr. Herschel, who called it, in honour of his royal pa. irom, :}ii- távorgium* Sidus ; but it is generaliy kuown as the Herschel planet. Puyo. Our earth has a moon ; have the other planets intoons too Thot, Jupiter has four, Saturn seven, and the Her. schel planet six. Pup. How are the planets to be distinguished from the fixed stars - Tut. The fixed, stars winkle; the planets shin. with a steady light. The planets also are continually changing their position in the heavens, with le. spect io the surrounding bodies, but the fix -i stars keep their respective pia', s, and heace they are de nominated fixed, or stationary. Pop. In what manner do the planets unoye * Tu1. 'flıc; ail ını v«: rotıııtl tlıe sıın ; buf ııot in the saute orbit or path, nor in the same time. Pop. In what time does the earth move round the sun ? Tul. In little more than three hundred and sixty. five days, which makes our year: and though it revolves with incredible swiftness, we are yet insensi. ble of its motion. *, Pup. At what rate does the earth move round the sun ? Tut. At the rate of 68,243 miles every hour. Pup. Why are we insensible of its m otion o
