Definitions

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. periapsis in orbit around the moon

Etymologies

Sorry, no etymologies found.

Examples

  • Projectile's velocity would have reached its minimum; at the _periselene_, its maximum.

    All Around the Moon

  • Analogous expressions denoting the relations of the Projectile towards the Moon, would be _periselene_ and _aposelene_.

    All Around the Moon

  • The nearest point of this orbit (periselene) lies at a distance of about 500 km from the Moon's surface while the farthest point (aposelene) is at about 7,500 km.

    The Hindu - Front Page

  • The nearest point of this orbit (periselene) lies at a distance of about 500 km from the moon's surface while the farthest point (aposelene) lies at about 7,500 km.

    The Hindu - Front Page

  • The spacecraft has now an aposelene (farthest distance from the moon) of 255 km and a periselene of 101 km.

    The Hindu - Front Page

  • On Saturday (November 8), ISRO accomplished with aplomb the most crucial and critical manoeuvre of safely inserting Chandrayaan-1 into the lunar orbit with an aposelene of 7,502 km and a periselene of 504 km.

    The Hindu - Front Page

  • After the lunar orbit insertion manoeuvre was done and Chandrayaan-1 achieved an aposelene of 7,502 km and a periselene of 504 km, ISRO executed a series of manoeuvres to reduce the spacecraft's orbit and bring it closer to the moon.

    Top Stories - Google News

  • Chandrayaan-1's aposelene (farthest distance from the moon) was 7,502 km and its periselene

    Top Stories - Google News

  • On November 10, the SCC performed "a difficult manoeuvre" of steeply reducing the aposelene from 7,502 km to 255 km and the periselene from 200 km to 187 km.

    Top Stories - Google News

  • On November 9, ISRO gave commands to the LAM to fire to reduce Chandrayaan-1's periselene from 504 km to 200 km.

    Top Stories - Google News

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