Our galaxy would be trapped in a cosmic structure … 10 times more massive than expected

For example,

Our galaxy would trapped cosmic:

Imagine discovering that your house is not in the neighborhood you thought. For example, but in a gigantic metropolis whose existence you completely ignored. In addition, Additionally. For example, This is exactly what could happen to our galaxy according to a recent discovery that upsets our understanding of. Furthermore, the universe.

A revolution in our cosmic address – Our galaxy would trapped cosmic

So far. Nevertheless, astronomers had established a clear hierarchy of our position in the cosmos. Furthermore, The earth orbit around the sun, itself located in the Milky Way. For example, The latter is part of the local group, a set of galaxies including our neighbor Andromède. Furthermore, The whole is part of the Superamas of the Virgin, in turn integrated into a huge structure called Laniakea.

But now this ordered vision shatters. our galaxy would trapped cosmic Meanwhile. Consequently, A team of astronomers has just revealed our galaxy would trapped cosmic that Laniakea itself could only be a fragment of a colossal cosmic structure. However, ten times larger than anything we imagined.

Cosmic attraction basins – Our galaxy would trapped cosmic

To understand this discovery reported in Nature Astronomy. For example, we must be interested in the concept of cosmic “attraction basin”. Nevertheless, As researchers explain. the universe resembles a patchwork of these contiguous basins. similar to the terrestrial watersheds where water flows naturally towards a low point.

In space, the galaxies follow comparable gravitational “currents”, flowing towards areas of higher density. Unlike the smaller structures where gravity dominates. these attraction basins are so vast that cosmic expansion plays a major role there. creating complex flows on the scale of hundreds of millions of light years.

56 our galaxy would trapped cosmic 000 galaxies sous surveillance

To unravel this cosmic mystery, the team led by R. Brent Tully of the University our galaxy would trapped cosmic of Hawaii analyzed the movements of 56,000 galaxies. The objective: to create a probabilistic map of the local universe taking into account the uncertainties inherent in the speed. position measurements of the galaxies.

This statistical approach was necessary because following the galactic movements to these scales is a titanic challenge. Each galaxy undergoes the influence of multiple gravitational forces. creating complex trajectories that must be disentangled to identify the real underlying structures.

The simulations have revealed surprising results. This attraction superbass would include structures already known for their impressive size. in particular the mysterious major attractor. a mass concentration that has influenced the movement of our local group for billions of years.

A fundamental questioning

Even more disturbing, our galaxy would trapped cosmic the calculations suggest that we may not reside in Laniakea at all. With 60% probability. our Milky Way would rather belong to the concentration of our galaxy would trapped cosmic Shapley. a region diametrically different from the local universe.

This uncertainty about our own cosmic address illustrates the extent of the scientific challenge. But beyond simple galactic geography, this discovery raises fundamental questions about our models in the universe.

The map of the attraction basin. Image credit: University of Hawaii in Mānoa

When reality goes beyond theory

The cosmological diffuse background radiation. this first detectable light after primordial inflation, imposes theoretical limits at the size of cosmic structures. According to our current models. based on this “photograph” of the our our galaxy would trapped cosmic galaxy would trapped cosmic young universe. the structures can only grow up to a certain scale.

However, this new discovery, like other recents, reveals matter organizations that seem to challenge these predictions. If these observations are confirmed, they could point out that our understanding of cosmic evolution remains incomplete.

Towards a new cartography of the cosmos

The astronomer Noam Libeskind of the Leibniz Institute sums up the issue. well: the more we scratch the universe. the more we discover that our cosmic environment is connected and extended beyond our initial expectations.

The teams plan to continue this map of the largest known structures. using ever more powerful telescopes and perfected analysis techniques. Each new galaxy observed. each measured movement helps to refine our understanding of this cosmic canvas of which we are part.

This research reminds us with humility that despite our our galaxy would trapped cosmic technological advances. the universe our galaxy would trapped cosmic still retains many secrets about its true architecture.

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