Colliding Gas in the Helix Nebula

This colourful image from the Hubble Space Telescope shows the collision of two gases near a dying star. Astronomers have dubbed the tadpole-like objects in the upper right-hand corner 'cometary knots' because their glowing heads and gossamer tails resemble comets.

This colorful image from the Hubble Space Telescope shows the collision of two gases near a dying star.

Astronomers have dubbed the tadpole-like objects in the upper right-hand corner 'cometary knots' because their glowing heads and gossamer tails resemble comets.

Credit:

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

About the Image

NASA press release
NASA caption
Id:opo9613a
Type:Observation
Release date:15 April 1996, 06:00
Size:1486 x 1504 px

About the Object

Name:Helix Nebula, NGC 7293
Type:Milky Way : Nebula : Type : Planetary
Distance:2500 light years
Constellation:Aquarius
Category:Nebulae

Image Formats

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1.3 MB
Screensize JPEG
441.3 KB

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Coordinates

Position (RA):22 29 36.70
Position (Dec):-20° 47' 7.54"
Field of view:2.47 x 2.50 arcminutes
Orientation:North is 152.3° left of vertical

Colours & filters

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

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