Map of the Universe

Boötes Void

Cosmic void · Region of space

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Boötes Void
Picture: The original uploader was El C at English Wikipedia., CC BY-SA 2.5, via Wikimedia Commons.

About the Boötes Void

The light we see from it set out 0.697 billion years ago, when the universe was 13.1 billion years old (redshift 0.05).

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

One of the largest known voids: about 330 million light-years across with only ~60 galaxies inside.

Key numbers

Distance (comoving, today)0.714 billion light-years (219 Mpc)
Redshift z0.05
Light travel time0.697 billion years
Universe's age when this light left13.1 billion years
Distance methodredshift (Planck 2018 cosmology)
Supergalactic coordinatesSGL 71.8°, SGB +31.1°
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 326 million light-years across

Where it is

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

Zoom out to see it in context: Nearby superclusters, a view about 2.3 billion light-years across.

From Wikipedia

The Boötes Void is a roughly spherical region of space in the vicinity of the constellation Boötes. It contains just 60 galaxies, which is significantly fewer than the approximately 2,000 galaxies expected for an area of comparable size.

Excerpt from the Wikipedia article Boötes Void, licensed CC BY-SA 4.0.

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