Tangled — cosmic edition

This dark, tangled web is an object named SNR 0454-67.2. It formed in a very violent fashion — it is a supernova remnant, created after a massive star ended its life in a cataclysmic explosion and threw its constituent material out into surrounding space. This created the messy formation we see in this NASA/ESA Hubble Space Telescope image, with threads of red snaking amidst dark, turbulent clouds.

SNR 0454-67.2 is situated in the Large Magellanic Cloud, a dwarf spiral galaxy that lies close to the Milky Way. The remnant is likely the result of a Type Ia supernova explosion; this category of supernovae is formed from the death of a white dwarf star, which grows and grows by siphoning material from a stellar companion until it reaches a critical mass and then explodes.

As they always form via a specific mechanism — when the white dwarf hits a particular mass — these explosions always have a well-known luminosity, and are thus used as markers (standard candles) for scientists to obtain and measure distances throughout the Universe.

Credit:

ESA/Hubble, NASA

About the Image

Id:potw1848a
Type:Observation
Release date:26 November 2018, 06:00
Size:3945 x 4165 px

About the Object

Name:SNR 0454-67.2
Type:Local Universe : Nebula : Type : Supernova Remnant
Distance:163000 light years
Constellation:Dorado
Category:Nebulae

Image Formats

Large JPEG
5.2 MB
Screensize JPEG
490.8 KB

Zoomable


Wallpapers

1024x768
403.2 KB
1280x1024
611.5 KB
1600x1200
832.0 KB
1920x1200
956.1 KB
2048x1536
1.2 MB

Coordinates

Position (RA):4 54 31.32
Position (Dec):-67° 12' 55.72"
Field of view:2.60 x 2.75 arcminutes
Orientation:North is 185.5° left of vertical

Colours & filters

BandWavelengthTelescope
Optical
G
475 nm Hubble Space Telescope
WFC3
Optical
V
555 nm Hubble Space Telescope
WFC3
Optical
I
814 nm Hubble Space Telescope
WFC3
Optical
H-alpha
656 nm Hubble Space Telescope
WFC3

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