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THE SOLAB SYSTEM.

BOOK I.

This shows that the orbital velocity of a planet decreases, thegreater its distance from the Sun .

Extending the above scheme, we find that the apheliondistance of Encke’s comet would be 880 feet; the apheliondistance of the 6th comet of 1858, 6 miles; and the distanceof the nearest fixed star, 7,500 miles.

Relative apparent Size of the Sun , as viewed from the differentPlanets.

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Connected with the distances of the planets, Prof. Bode,of Berlin, in 1778 published the following singular numericalrelations existing between them; which although not dis-