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Cometary Knots around a Dying Star

Cometary Knots around a Dying Star

Depicts: Helix Nebula, NGC 7293, IRAS 22267-2102
Copyright: Robert O'Dell, Kerry P. Handron (Rice University, Houston, Texas) and NASA

These gigantic, tadpole-shaped objects are probably the result of a dying star's last gasps. Dubbed "cometary knots" because their glowing heads and gossamer tails resemble comets, the gaseous objects probably were formed during a star's final stages of life.
Last Update: 1 September 2019
29-Sep-2022 14:11 UT

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