Recreations in astronomy : with directions for practical experiments and telescopic work (1879)
Warren, Henry White, 1831-1912 · New York : Harper & Brothers · leaf 23
t line. Their speed quickens at everymile. The attraction increases every moment. Theyfly swift as thought. They dash their flaming, seethingforeheads together. And now we have one world again. It is t\vi<••large as before, that is all the difference. There is novariety, neither any motion ;… … C J) Fig. 1.—Orbit A D, resulting from attraction, A C, and projectile for <. a r>. shall be what is called the force of inertia, which isliterally no power at all; it is an inability to originateor change motion. If a body is at rest, inertia is thatquality by which it will forever remain…
Astronomy
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