Cometary Knots around a Dying Star

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.

Credit:

Robert O'Dell, Kerry P. Handron (Rice University, Houston, Texas) and NASA/ESA

About the Image

NASA press release
NASA caption
Id:opo9613b
Type:Observation
Release date:15 April 1996, 06:00
Size:502 x 656 px

About the Object

Name:Helix Nebula, NGC 7293
Type:Milky Way : Nebula : Type : Planetary
Distance:700 light years
Constellation:Aquarius
Category:Nebulae

Image Formats

Large JPEG
257.5 KB
Screensize JPEG
558.0 KB

Coordinates

Position (RA):22 29 36.89
Position (Dec):-20° 47' 54.89"
Field of view:0.83 x 1.09 arcminutes
Orientation:North is 151.9° left of vertical

Colours & filters

BandWavelengthTelescope
Optical
V
500 nm Hubble Space Telescope
WFPC2
Optical
Nii
658 nm Hubble Space Telescope
WFPC2
Optical
H-alpha
656 nm Hubble Space Telescope
WFPC2

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