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Earth-Mass Knots Revealed in the Helix Nebula by JWST

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Source: NASA (.gov)
TL;DR Summary

A new JWST infrared image of the nearby Helix Nebula (NGC 7293, ~650 light-years away) shows intricate cometary knots—earth-mass clumps several Pluto-orbits across—whose origins are not fully understood; one leading idea is that stellar wind from the central star shapes and drives the knots, shedding light on the life cycle of Sun-like stars.

Topics:science#cometary-knots#helix-nebula#infrared#james-webb-space-telescope#planetary-nebula#space
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  1. 2026 August 4 – Curious Cometary Knots in the Helix Nebula  NASA (.gov)
  2. APOD: 2026 August 4 - Curious Cometary Knots in the Helix Nebula  NASA Science (.gov)

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