SEARL ■ riU o be, f* As ively. It n king ti- the … D.AppIetoii. &: Company ARE THE PLANETS HABITABLE 519 probable view as to the method of formation of the plan-etary masses, by cooling from a liquid condition, it is hardto see how there could possibly be any considerable differ-ence of shape or of density between the half of the lunarsphere…
Astronomy
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