Skip to main content

Scientists Discover Way to Send Information into Black Holes Without Using Energy

3 comments

Giant ‘Amoeba-Like’ Clouds Discovered Around Ancient Galaxies

For decades, astronomers believed they had a clear picture of the early universe. It was thought to be dominated by hydrogen—the simplest and most abundant element—quietly fueling the birth of stars and galaxies. But a new discovery has dramatically changed that understanding. Instead of a smooth and evenly spread gas, scientists are now seeing something far more complex and fascinating: tens of thousands of massive, glowing hydrogen halos surrounding ancient galaxies.

This breakthrough is helping researchers rethink how galaxies formed and evolved during one of the most important periods in cosmic history.

A Universe at Its Peak: The Era of Cosmic Noon

Roughly 10 to 12 billion years ago, the universe entered a phase known as “Cosmic Noon.” This was a time when galaxies were growing at their fastest rate, forming stars at an incredible pace. To sustain such rapid growth, galaxies needed enormous amounts of hydrogen gas—the raw material for star formation.

Until recently, astronomers struggled to find enough hydrogen in the right places to explain this growth. Only a few large hydrogen structures had been observed, leaving scientists with an incomplete picture. Where was all the gas hiding?

A Tenfold Discovery Changes Everything

A major study published in The Astrophysical Journal has now provided a powerful answer. Using advanced observations, researchers increased the known number of hydrogen gas halos—from about 3,000 to more than 33,000.

This tenfold jump shows that these halos are not rare exceptions. Instead, they are a common feature of the early universe.

These structures, known as Lyman-alpha nebulae, are enormous clouds of hydrogen gas that glow under certain conditions. Their discovery provides strong evidence that galaxies had access to vast reservoirs of fuel, allowing them to grow rapidly during Cosmic Noon.

Why Hydrogen Is So Hard to See

Detecting hydrogen in space is not easy. Unlike stars, hydrogen gas does not produce its own visible light. It remains mostly invisible unless something energizes it.

When nearby galaxies emit intense ultraviolet (UV) radiation, it can excite the hydrogen atoms, causing them to glow faintly in a specific wavelength known as Lyman-alpha emission. This glow is incredibly weak and requires highly sensitive instruments to detect.

Because of these challenges, earlier observations only captured the brightest and most extreme halos. Smaller and fainter ones remained hidden, creating gaps in our understanding.

The Power Behind the Discovery

This new breakthrough was made possible by the HETDEX, a large-scale survey designed to map the universe and study dark energy.

At the heart of this project is the Hobby-Eberly Telescope, located at McDonald Observatory in Texas. This telescope is one of the largest in the world and is equipped with a powerful instrument capable of capturing 100,000 spectra in a single observation.

The scale of the data collected is enormous—nearly half a petabyte. The survey covers a region of the sky equivalent to more than 2,000 full moons, making it one of the most extensive astronomical observations ever conducted.

This combination of advanced technology and massive data allowed scientists to finally detect the missing population of hydrogen halos.

Giant Cosmic Structures: From Simple to Strange

The newly discovered halos vary greatly in size and shape. Some are relatively simple, forming smooth, football-shaped clouds around a single galaxy. Others are far more complex—giant, irregular blobs that stretch across space and contain multiple galaxies.

These larger structures have been described as resembling cosmic “amoebas,” with tendrils extending outward like arms. Their sizes can range from tens of thousands to hundreds of thousands of light-years across, making them some of the largest structures in the universe.

To identify these halos, researchers analyzed around 70,000 of the brightest galaxies from a dataset of over 1.6 million. Nearly half of these galaxies showed evidence of surrounding hydrogen halos.

Interestingly, scientists believe this number may still be an underestimate. Many halos could be too faint to detect fully, meaning even more may exist beyond current observations.

Filling the Missing Gaps in Cosmic History

Before this discovery, astronomers had only a partial view of how hydrogen was distributed in the early universe. They could see either the smallest halos or the largest, brightest ones—but not the full range in between.

Now, with over 33,000 halos identified, scientists have a much more complete dataset. This allows them to study patterns, compare structures, and better understand how galaxies gathered and used hydrogen to grow.

The discovery also helps explain how matter was distributed across the universe and how different cosmic structures interacted with each other.

What Comes Next? A New Era of Discovery

With such a large catalog of hydrogen halos now available, astronomers are entering a new phase of research. Instead of searching for these structures, they can now focus on studying them in detail.

Researchers aim to answer key questions:

  • How do these halos form?

  • How do they feed galaxies with gas?

  • What role do they play in shaping cosmic structures?

By examining individual halos more closely, scientists hope to refine existing models of galaxy formation—or even replace them entirely if they no longer match observations.

A Universe More Complex Than We Imagined

This discovery is a powerful reminder that the universe still holds many secrets. What once seemed like a simple picture—a universe filled with hydrogen—has turned out to be far more dynamic and complex.

Instead of being evenly spread, hydrogen forms vast, glowing structures that surround galaxies like invisible oceans, fueling their growth and evolution.

As technology continues to improve and more data becomes available, astronomers are likely to uncover even more hidden features of the cosmos. Each new discovery brings us one step closer to understanding how the universe came to be—and how it continues to change.

Conclusion

The identification of over 33,000 hydrogen halos marks a major milestone in astronomy. It not only confirms long-held theories about galaxy growth but also opens the door to new questions and discoveries.

The early universe was not just a quiet sea of hydrogen—it was a vibrant, structured, and evolving environment filled with massive cosmic clouds. Thanks to projects like HETDEX, we are finally beginning to see it in its true form.

And perhaps most exciting of all, this is just the beginning.

Reference: Erin Mentuch Cooper et al, Lyα Nebulae in HETDEX: The Largest Statistical Census Bridging Lyα Halos and Blobs across Cosmic Noon, The Astrophysical Journal (2026). DOI: 10.3847/1538-4357/ae44f3

Comments

Post a Comment

Popular

Scientists Discover Way to Send Information into Black Holes Without Using Energy

For years, scientists believed that adding even one qubit (a unit of quantum information) to a black hole needed energy. This was based on the idea that a black hole’s entropy must increase with more information, which means it must gain energy. But a new study by Jonah Kudler-Flam and Geoff Penington changes that thinking. They found that quantum information can be teleported into a black hole without adding energy or increasing entropy . This works through a process called black hole decoherence , where “soft” radiation — very low-energy signals — carry information into the black hole. In their method, the qubit enters the black hole while a new pair of entangled particles (like Hawking radiation) is created. This keeps the total information balanced, so there's no violation of the laws of physics. The energy cost only shows up when information is erased from the outside — these are called zerobits . According to Landauer’s principle, erasing information always needs energy. But ...
3 comments
Read more

Black Holes That Never Dies

Black holes are powerful objects in space with gravity so strong that nothing can escape them. In the 1970s, Stephen Hawking showed that black holes can slowly lose energy by giving off tiny particles. This process is called Hawking radiation . Over time, the black hole gets smaller and hotter, and in the end, it disappears completely. But new research by Menezes and his team shows something different. Using a theory called Loop Quantum Gravity (LQG) , they studied black holes with quantum corrections. In their model, the black hole does not vanish completely. Instead, it stops shrinking when it reaches a very small size. This leftover is called a black hole remnant . They also studied something called grey-body factors , which affect how much energy escapes from a black hole. Their findings show that the black hole cools down and stops losing mass once it reaches a minimum mass . This new model removes the idea of a “singularity” at the center of the black hole and gives us a better ...
Post a Comment
Read more

How Planetary Movements Might Explain Sunspot Cycles and Solar Phenomena

Sunspots, dark patches on the Sun's surface, follow a cycle of increasing and decreasing activity every 11 years. For years, scientists have relied on the dynamo model to explain this cycle. According to this model, the Sun's magnetic field is generated by the movement of plasma and the Sun's rotation. However, this model does not fully explain why the sunspot cycle is sometimes unpredictable. Lauri Jetsu, a researcher, has proposed a new approach. Jetsu’s analysis, using a method called the Discrete Chi-square Method (DCM), suggests that planetary movements, especially those of Earth, Jupiter, and Mercury, play a key role in driving the sunspot cycle. His theory focuses on Flux Transfer Events (FTEs), where the magnetic fields of these planets interact with the Sun’s magnetic field. These interactions could create the sunspots and explain other solar phenomena like the Sun’s magnetic polarity reversing every 11 years. The Sun, our closest star, has been a subject of scient...
Post a Comment
Read more