Map of the Universe

South Pole Wall

Large-scale structure · Massive cosmic structure

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South Pole Wall
Picture: Dpomarede, CC BY-SA 4.0, via Wikimedia Commons.

About the South Pole Wall

The light we see from it set out 0.513 billion years ago, when the universe was 13.3 billion years old (redshift 0.03642).

The map lists it as a large-scale structure and shows it at the scale of the large-scale universe, drawn on the supergalactic plane.

Its distance or nature is debated, and the map shows one published value.

A 1.4-billion-light-year wall of galaxies curving from Perseus past the south celestial pole toward Telescopium, partly hidden behind the Milky Way (Pomarède et al. 2020). Drawn as a circle at its approximate centre.

Key numbers

Distance (comoving, today)0.522 billion light-years (160 Mpc)
Redshift z0.03642
Light travel time0.513 billion years
Universe's age when this light left13.3 billion years
Distance methodredshift-independent (literature)
Supergalactic coordinatesSGL 216.4°, SGB -13.1°
On the mapThe dashed circle marks its approximate size around its centre. Structures this large have no sharp edge, and the circle is not drawn to an exact shape.
Sizeabout 1.4 billion light-years across

Where it is

Its place in the universe, from the inside out: Observable universe.

Zoom out to see it in context: Laniakea, a view about 850 million light-years across.

From Wikipedia

The South Pole Wall is a massive cosmic structure formed by a giant wall of galaxies that extends across at least 1.37 billion light-years of space, the nearest light of which is aged about half a billion light-years.

Excerpt from the Wikipedia article South Pole Wall, licensed CC BY-SA 4.0.

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