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A Roman canal dated back more than 2,100 years may have been located in southern France. The structure is believed to be the Marius Canal. It is thought to have been built between 104 and 102 B.C. during the Cimbrian Wars. The Romans had been engaged in battles against the Cimbri and Teutones, two migrating Celtic tribes. The waterway was said to have been ordered by Roman general Gaius Marius to improve supply routes. If confirmed, this would be the first major Roman hydraulic engineering project in Gaul.

Study Suggests Ancient Canal Matches Roman Construction Patterns

According to a study published in the Journal of Archaeological Science: Reports, the canal’s remains were found south of Arles within the Rhône River delta. The research team which was led by Joé Juncker, a geoarchaeologist at the University of Strasbourg, conducted sediment core analysis and radiocarbon dating. These tests indicate that the site was used between the first century B.C. and third century A.D. The dimensions of the canal which measured approximately 98 feet in width, aligns with Roman engineering standards.

Archaeological Evidence Points to Roman Use

Finding from the site includes 69 pieces of Roman ceramics. It  has two ancient wooden stakes, and large cobblestone platforms. Radiocarbon analysis of the stakes suggests they date back to the first to fourth century A.D. Simon Loseby, an honorary lecturer at the University of Sheffield, told Live Science that the discovery adds to evidence of Roman large-scale infrastructure projects. He noted that further excavations may reveal quays or towpaths, which could provide stronger confirmation of the canal’s purpose and duration of use.

Further Excavations Needed to Confirm Identity of Canal

The last historical mention of the Marius Canal was recorded by Pliny the Elder in the first century A.D. Juncker cautioned that without additional archaeological verification, definitive attribution to Marius remains uncertain. Research at the site continues.

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Shukla’s ISS Farewell Celebrates India’s Pride, Science, and Space Legacy

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Shukla’s ISS Farewell Celebrates India’s Pride, Science, and Space Legacy

Group Captain Shubhanshu Shukla’s farewell address from the ISS capped India’s historic Axiom-4 mission. In his brief speech before returning to Earth, Shukla struck a note of national pride and scientific accomplishment. He marvelled that from orbit “India looks full of ambition, fearless, confident and full of pride”, even echoing Rakesh Sharma’s 1984 words that Bharat (India) still appears “saare jahan se accha” (the best in the world). His remarks highlighted how far India’s space effort has come, framing this private mission as a continuation of a proud space legacy.

A Vision of India from Orbit

Shukla’s words in his farewell speech painted a vivid picture of India as seen from space, as per an NDTV report. By invoking Rakesh Sharma’s famous phrase, he connected the first Indian in space to this new achievement. He stressed that today’s India, like the one Sharma described, projects ambition and confidence on the global stage.

This proud vision from orbit underscored the mission’s role in inspiring public enthusiasm. It also served as a reminder that India’s human spaceflight journey is now firmly under way: as Shukla put it, the challenging path of space exploration “has truly begun” for his country. In these remarks, Shukla celebrated India’s progress while encouraging citizens to embrace the long road ahead.

Science and Collaboration on Axiom-4

Beyond national pride, Shukla emphasized the mission’s scientific legacy. He noted that the 18-day trip aboard ISS surpassed his expectations, yielding “fond memories and learnings”. Along with crewmates from the US, Poland and Hungary, Shukla carried out dozens of experiments in microgravity – over 60 in all, including seven India-led studies on topics like plant growth and muscle loss.

These experiments represent a leap in space science for India, as ISRO confirmed they will provide “critical knowledge” for future efforts like India’s Gaganyaan flight programme and its proposed space station.

Shukla also praised the team effort aboard the ISS, saying the biggest takeaway was realizing “what humanity can achieve when we work with a common goal”. In other words, the mission demonstrated both scientific progress and international cooperation.

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Meteorite From Outer Solar System Challenges Planet Formation Timeline in Early Solar System

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Meteorite From Outer Solar System Challenges Planet Formation Timeline in Early Solar System

A minuscule meteorite seems to be rewriting the history of our solar system. The 50-gram Northwest Africa 12264 has brought a new understanding of when and how rocky worlds came together. Inner planets such as Earth and Mars were thought to have formed earlier than their more distant siblings, given temperatures and composition. But a new study of this meteorite, which originates from beyond the asteroid belt, suggests that the birth of planets throughout the solar system occurred tens of millions of years earlier than previously believed, narrowing the gap in time between the solar system’s inner and outer surfaces.

Outer Solar System Meteorite Reveals Rocky Planets Likely Formed Simultaneously Across the Galaxy

As per a study led by Dr Ben Rider-Stokes of The Open University and published in Communications Earth & Environment, the meteorite’s chemical makeup offers critical evidence. Its chromium and oxygen isotope ratios place its origin in the outer solar system. Most strikingly, lead isotope dating determined its age to be about 4.564 billion years, almost identical to basalt samples from the inner solar system that represent early planetary crusts.

These findings directly challenge the previous assumption that rocky planets beyond Jupiter formed two to three million years later due to their water-rich composition. Ice and water were thought to slow differentiation, the internal layering of planetary bodies. But this meteorite, with its outer solar birth and inner solar age, points to a far more synchronised process of rocky planet formation.

Scientists note that the discovery is also consistent with observations of exoplanetary systems. Based on this and past observations of disks of dust and gas around other stars, the evidence of planetesimals forming quickly and over large orbital separations adds to the argument that early solar system evolution may have been more universal than thought.

As trivial as the time difference might be in the context of a universe, the question is huge. A new timeline of planet formation is not only a retelling of Earth’s history but may also help determine how astronomers think about how planets form in the galaxy more generally, providing new hints about where and how in the galaxy Earth-like planets could take shape.

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NASA’s Hubble and Webb Discover Bursting Star Formation in Small Magellanic Cloud



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NASA’s Hubble and Webb Discover Bursting Star Formation in Small Magellanic Cloud

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NASA’s Hubble and Webb Discover Bursting Star Formation in Small Magellanic Cloud

Scientists from NASA observed the bursting expansion of gas, stars, and dust from the glittering territory of the dual star clusters using Hubble and Webb space telescopes. NGC 460 and NGC 456 stay in the Small Magellanic Cloud, which are open clusters, with dwarf galaxies and orbit the Milky Way. These clusters are part of the extensive star complex clusters and nebulae that are most likely to be linked to each other. Stars are born upon the collapse of clouds.

Hubble and Webb Reveal Explosive Star Births in Small Magellanic Cloud

As per a report from NASA, the open clusters are from anywhere from a few dozen to many young stars, which are loosely bound by gravity. The images captured by Hubble capture the glowing and ionised gas, which comes from stellar radiation and blows bubbles in the form of gas and dust, which is blue in colour. The infrared of Webb shows the clumps and delicate filament-like structures and dust, which is red in colour.

NGC 460 and NGC 456: A Window into Early Universe Star Formation

Hubble shows the images of dust in the form of a silhouette against the blocking light; however, in the images of Webb, the dust is warmed by starlight and glows with infrared waves. The blend of gas and dust between the stars of the universe is called the interstellar medium. The region holding these clusters is known as the N83-84-85 complex and is home to multiple, rare O-type stars. These are hot and extremely massive stars that burn hydrogen like the Sun.

Such a state mimics the condition in the early universe; therefore, the Small Magellanic Cloud gives a nearby lab to find out the theories regarding star formation and the interstellar medium of the cosmos’s early stage.

With these observations, the researchers tend to study the gas flow from convergence to divergence, which helps in refining the difference between the Small Magellanic Cloud and its dwarf galaxy, and the Large Magellanic Cloud. Further, it helps in knowing the interstellar medium and gravitational interactions between the galaxies.

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