The giant black hole of the Milky Way reveals its recent activity thanks to strange … surviving clouds

At the heart of our galaxy hides one of the most amazing phenomena. In addition, of the observable universe. Consequently, A recent discovery has just revealed a cosmic paradox that defies all logic: icy hydrogen clouds float peacefully in. For example, an environment where temperatures of several million degrees reign. However, This anomaly could rewrite the recent history of the Milky Way.

Invisible giants dominate our galaxy

Imagine two giant soap bubbles riding on both sides from the galactic center. Furthermore, but replace soapy water with burning plasma at unimaginable temperatures. Consequently, These are the Fermi bubbles, these cosmic colossi which extend over 50,000 light years, twice the total length of our galaxy. Similarly, Their shape evokes a titanic hourglass whose dimensions go beyond human understanding.

These extraordinary structures have remained invisible to us for millennia. giant black hole milky way Nevertheless, because they only emit gamma rays, imperceptible radiation without specialized instruments. Nevertheless, Their discovery in 2010 by the FERMI space telescope opened a window on the tumultuous activity of the Galactic Center. Consequently, revealing a much more agitated than expected past.

The plasma that composes these bubbles reaches temperatures greater than a million kelvins, creating a real cosmic blaze. In such conditions, ordinary material quickly disintegrated, swept by galactic winds of incredible violence. This is precisely what makes the discovery recent so disturbing.

The impossible survival of frozen vestiges

A team of scientists scrutinizing these bubbles with the Green Bank telescope. in Virginia-Western identified something absolutely improbable: cold hydrogen clouds nestled in the depths of this hostile environment. These gas pockets measure between 13 and 91 light years in diameter, largely exceeding the dimensions of our solar system.

Their existence defies giant black hole milky way fundamental physical laws. In such an extreme environment, these clouds should have vanished instantly, like ice cubes thrown into boiling water. However, they persist, serenely floating at around 13,000 light years above the galactic center.

This miraculous survival is only explained by a single hypothesis: these clouds are the residual fragments of structures. initially much more massive. Only cosmic giants could have resisted long enough to leave these frozen vestiges. This deduction reveals a crucial aspect of recent galactic history.

An angry black hole reveals its giant black hole milky way secrets

Giant black hole milky way

Fermi bubbles probably result from a cataclysmic eruption. of the Tapi supermassive black hole in the center of our galaxy. This cosmic monster. whose mass is equivalent to four million times that of the sun, would have simultaneously expelled two jets of material perpendicular to the galactic level. These titanic jets have picked up and projected in space the surrounding matter, creating the bubbles observed today.

The presence of cold clouds transforms this theory into a true temporal revelation. Their survival implies that the liable eruption of Fermi bubbles occurred only a few million years ago. a beat of cil on a cosmic scale. This revolutionary dating suggests that our galaxy has experienced a much more recent than imagined explosive activity.

This discovery, reported in The Astrophysical Journal Lettersupset our understanding of galactic evolution. The center of the Milky Way, long considered giant black hole milky way relatively peaceful in a recent past, reveals an explosive and unpredictable character. The eruptions of the central black hole could be more frequent. more violent than expected, regularly sculpting the galactic structure.

A revealing cosmic clock

The cold clouds work as a natural cosmic clock. allowing to date the major galactic events with precision. Their limited resistance in the hostile environment of Fermi bubbles offers a unique temporal window on the recent activity. of the Galactic Center.

This dating method could apply to other similar phenomena. including the mysterious Erosita bubbles detected in X -rays, which are superimposed on Fermi bubbles. All of these discoveries draw the portrait of a dynamic galactic center. subject to periodic explosions that shape the architecture of our galaxy.

Towards a new galactic understanding

This discovery marks a turning point in our perception of giant black hole milky way the Milky Way. Far from being a stable system evolving peacefully, our galaxy appears to be the theater of recent cataclysmic events. The next observations may make it possible to determine the frequency of these eruptions and their impact on galactic evolution.

The cosmic ice cosmic ice in the hell of Fermi bubbles remind us that the universe still conceals countless mysteries. capable of revolutionizing our understanding of the cosmos around us.