apastron

• “They had already passed apastron and were downward bound.”

  Starfarers

• “The station was outward bound for the apastron of its shortened and cometary path.”

  Starfarers

• “In this region, nearing apastron, no unusual velocity change was needed to alter orbit radically.”

  Starfarers

• “Nevertheless the ship took days, terrible days to reach apastron.”

  Explorations

• “Now, at apastron, with Vixen's atmosphere to filter its radiation, the sun might almost have been Sol: smaller, brighter, but gentle in a blue sky where tall white clouds walked.”

  Agent Of The Terran Empire

• “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'

• “The pair travel in an orbit from fourteen to forty-two times the radius of the Earth's orbit; so that when at apastron they are three times as distant from each other as when at periastron.”

  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'

• “Any approach to, or recession from this point, must occur simultaneously with each; they must always occupy corresponding parts of their orbits, and be in apastron and at periastron in the same period of time.”

  The Astronomy of Milton's 'Paradise Lost'

• “Consequently, neither star can approach or recede from this point without the other affecting a similar motion, they must be at periastron and apastron together, and any acceleration or retardation of speed must occur simultaneously with each.”

  The Astronomy of Milton's 'Paradise Lost'

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