A primary astronomy .. . hatrevolve around him. [This system of worlds derivesits name from the Latin term Sol,the Sun; hence the Solar System signifies the System of the Sun.] 127. What do the Sidereal Heavens include ? All those bodies thatlie arotmd and oeyondthe Solar System, inthe region of the Fixed Stars. [1. The word Sidereal is from theLatin sidcralis, and signifies per-taining- to the stars. The SiderealHeavens are, therefore, the heavensof the fixed stars. 2. The relation of the Solar Sys-tem to the Sidereal Heavens isshown in the annexed cut, wherethe sun appears only as a star at
A primary astronomy .. . hatrevolve around him. [This system of worlds derivesits name from the Latin term Sol,the Sun; hence the Solar System signifies the System of the Sun.] 127. What do the Sidereal Heavens include ? All those bodies thatlie arotmd and oeyondthe Solar System, inthe region of the Fixed Stars. [1. The word Sidereal is from theLatin sidcralis, and signifies per-taining- to the stars. The SiderealHeavens are, therefore, the heavensof the fixed stars. 2. The relation of the Solar Sys-tem to the Sidereal Heavens isshown in the annexed cut, wherethe sun appears only as a star at adistance from all others, and sur-rounded by his own retinue ofworlds. The Solar System is drawnupon a small scale, and the Sidereal Heavens are seen around and at a distance fromit in every direction.] 12§. What part of the book have you now gone over ?Part First, which consists of Preliminary Observa-tions and Definitions. 129. What do you enter upon in your next Lesson ?Part Second, which treats of the Solar PRIMARY ASTRONOMY. 31 PART THE SOLAR SYSTEM. LESSON VII. BODIES THAT COMPOSE THE SYSTEM. 130. Of what bodies does the Solar System consist? Of three classes; namely, the Sun, Planets, and Comets, 131. How is the Sun distinguished 1 As the fixed center of the system, around which theother bodies revolve; and as the largest and only self-luminous body in the system. 132. Describe the Planets. They are those large globes or worlds that revolvearound the sun, and receive their light and heat fromhim. [The terra Planet signifies a wanderer; and is applied to some of the solar bodies,because they seem to wander or move about among the stars.] 133. How are the Planets divided? Into Primary and Secondary, 134. What are the Primary Planets? Such as revolve around the sun only, as their centerof motion. 135. What are the Secondaries? They are small planets that revolve around thePrimaries, and accompany them in their revolutionaround the sun. [The Secondary Planet
Size: 1623px × 1539px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1850, booksubjectastronomy, bookyear18
