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Achilles and Polyxena

MJardin on 3. Mar, 2018 — Lang: No text

Achilles and Polyxena
  • Description

    The supergiant gaseous planet Achilles presents something of a conundrum to astronomers in that its primary satellite, Polyxena, is itself a gas giant slightly more massive than Jupiter. Ordinarily a supergiant would have collected its own minisystem of rocky moonlets and an icy accreation ring, but the formation of Polyxena seems to have precluded the usual sequence of events. Efforts and experiments to understand this are still ongoing.

    Tags:
    planets, stars
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