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Vega's Smooth Disk Challenges Planet Formation Theories

New observations from Hubble and Webb reveal no large planets in Vega's debris disk, prompting a reevaluation of planetary system formation.

  • Recent studies using the Hubble and James Webb telescopes have found no evidence of large exoplanets within the debris disk of Vega, a nearby star.
  • Vega's debris disk is notably smooth, lacking the typical signs of planet formation seen in other similar star systems.
  • The disk features a subtle gap, suggesting the absence of planets at least down to the mass of Neptune.
  • Vega's system differs significantly from other stars like Fomalhaut, which has multiple debris belts, raising questions about why Vega hasn't formed planets.
  • These findings challenge existing models of planet formation and could lead to new insights into the diversity of planetary systems.
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