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Category: space – Page 14

Humanity’s infinite energy solution might be in space

The full structure, if it is ever built, will likely take centuries. But the first pieces could be deployed within the next hundred years. Like the construction of cathedrals or transcontinental railroads, this is the kind of project that begins with a vision and takes shape slowly, across generations.

A Dyson sphere is not only about energy. It is about how we think. It challenges us to plan at the scale of a civilization rather than a single generation. It asks what kind of future we are trying to build, and whether we are willing to imagine a world of abundance rather than scarcity. It may take centuries to complete, but the mindset that makes it possible can start right now.

Student researcher leads discovery of fastest gamma-ray burst ever recorded

Sarah Dalessi, a fifth-year student in the College of Science at The University of Alabama in Huntsville (UAH), a part of The University of Alabama System, is the lead author of a paper published in The Astrophysical Journal detailing the discovery of the fastest gamma-ray burst (GRB) ever recorded.

GRB 230307A is a gamma-ray burst in the ultrarelativistic category, meaning the velocity of the GRB’s jet, a focused beam of high-energy particles and photons, came within 99.99998% of the speed of light—186,000 miles per second—making it the fastest GRB ever observed. The observation was made possible with data from the Fermi Gamma-ray Burst Monitor, one of two instruments on NASA’s Fermi Gamma-ray Space Telescope.

“The Lorentz factor is the measure of speed of the jet here, and 1,600 is the highest we ever measured,” explains Dr. Peter Veres, an assistant professor who works in the UAH Center for Space Plasma and Aeronomic Research (CSPAR) and is co-author on the study.

Astronomers Discover One of the Largest Rotating Structures Ever Seen in the Universe

Researchers have found a razor-thin, rotating string of galaxies inside a massive cosmic filament, revealing unexpected alignments that challenge models of how galaxies gain their spin. An international research group led by the University of Oxford has uncovered one of the most extensive rotatin

Google CEO Sundar Pichai hints at building data centres in space; Elon Musk replies

The TOI Tech Desk is a dedicated team of journalists committed to delivering the latest and most relevant news from the world of technology to readers of The Times of India. TOI Tech Desk’s news coverage spans a wide spectrum across gadget launches, gadget reviews, trends, in-depth analysis, exclusive reports and breaking stories that impact technology and the digital universe. Be it how-tos or the latest happenings in AI, cybersecurity, personal gadgets, platforms like WhatsApp, Instagram, Facebook and more; TOI Tech Desk brings the news with accuracy and authenticity.

Radiowave bursts linked to onset of intense auroral storms

A University of Southampton study has revealed an intriguing new clue in the mystery of what triggers periods of very intense, brightly colored activity during displays of both the southern and northern lights.

Known as a “magnetospheric substorm,” this awe-inspiring phenomenon, which blankets the night sky in green and purple, is almost always preceded by what space scientists call “auroral beads”—a necklace-like wave of multiple luminous points of light which eventually evolve into the storm.

Southampton scientists have now shown there is a link between these auroral beads and the intensity of low frequency radio waves above the aurora in Earth’s magnetosphere—a vast area around our planet that is dominated by its magnetic field. Their findings are published in Nature Communications.

Icy hot plasmas: Fluffy, electrically charged ice grains reveal new plasma dynamics

When a gas is highly energized, its electrons get torn from the parent atoms, resulting in a plasma—the oft-forgotten fourth state of matter (along with solid, liquid, and gas). When we think of plasmas, we normally think of extremely hot phenomena such as the sun, lightning, or maybe arc welding, but there are situations in which icy cold particles are associated with plasmas. Images of distant molecular clouds from the James Webb Space Telescope feature such hot–cold interactions, with frozen dust illuminated by pockets of shocked gas and newborn stars.

Now a team of Caltech researchers has managed to recreate such an icy plasma system in the lab. They created a plasma in which electrons and positively charged ions exist between ultracold electrodes within a mostly neutral gas environment, injected water vapor, and then watched as tiny ice grains spontaneously formed.

They studied the behavior of the grains using a camera with a long-distance microscope lens. The team was surprised to find that extremely “fluffy” grains developed under these conditions and grew into fractal shapes—branching, irregular structures that are self-similar at various scales. And that structure leads to some unexpected physics.

CH$_3$OH and HCN in Interstellar Comet 3I/ATLAS Mapped with the ALMA Atacama Compact Array

CH_3OH and HCN in Interstellar Comet 3I/ATLAS Mapped with the ALMA Atacama Compact Array: Distinct Outgassing Behaviors and a Remarkably High CH_3OH/HCN Production Rate Ratio.

We report the detection of methanol (CH$_3$OH) toward interstellar comet 3I/ATLAS using the Atacama Compact Array of the Atacama Large Millimeter/Submillimeter Array (ALMA) on UT 2025 August 28, September 18 and 22, and October 1, and of hydrogen cyanide (HCN) on September 12 and 15. These observations spanned pre-perihelion heliocentric distances ($r_H$) of 2.6 — 1.7 au. The molecules showed outgassing patterns distinct from one another, with HCN production being depleted in the sunward hemisphere of the coma, whereas CH$_3$OH was enhanced in that direction. Statistical analysis of molecular scale lengths in 3I/ATLAS indicated that CH$_3$OH included production from coma sources at $L_p258$ km at 99% confidence, although low signal-to-noise on long baselines prevented definitively ruling out CH$_3$OH as purely a parent species.

BOMBSHELL Anti-Gravity Documents Prove Classified Research Continued!

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Electric Propulsion Study https://apps.dtic.mil/sti/tr/pdf/ADA227121.pdf

This Electric Propulsion Study confirms the controversial Biefield-Brown Effect was taken extremely seriously by the US Aerospace/Defense sectors as a highly feasible method for exotic, next generation propulsion systems that utilise field propulsion through electromagnetic-gravitational wave coupling. This document was prepared by Science Applications International Corporation (SAIC) for the Astronautics Laboratory (AFSC) Air Force Space Technology Center, Space Systems Division, Air Force Systems Command.

Read the full PDF here.
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Close-up images show how stars explode in real time

Astronomers have captured images of two stellar explosions—known as novae—within days of their eruption and in unprecedented detail. The breakthrough provides direct evidence that these explosions are more complex than previously thought, with multiple outflows of material and, in some cases, dramatic delays in the ejection process.

The international study, published in the journal Nature Astronomy, used a cutting-edge technique called interferometry at the Center for High Angular Resolution Astronomy (CHARA Array) in California. This approach allowed scientists to combine the light from multiple telescopes, achieving the sharp resolution needed to directly image the rapidly evolving explosions.

“The images give us a close-up view of how material is ejected away from the star during the explosion,” said Georgia State’s Gail Schaefer, director of the CHARA Array. “Catching these transient events requires flexibility to adapt our nighttime schedule as new targets of opportunity are discovered.”

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