The eccentricity of their orbit approaches in form that of Faye's comet, which travels round the Sun; consequently the stars, when at apastron, are twice their periastron distance.— The Astronomy of Milton's 'Paradise Lost'
These orbs complete a revolution in 180 years, and when in apastron are seventeen times more remote from each other than when at periastron.— The Astronomy of Milton's 'Paradise Lost'
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