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ARLINGTON, Va.--(BUSINESS WIRE)--Aug 21, 2023--

An arrowhead believed to be 3,000 years old was made from the iron of a meteorite, according to scientists. The rare Bronze Age artefact was found near Lake Biel in Switzerland during a 19th-century excavation near a pile-dwelling station at a site in Mörigen (900-800 BC) before it was acquired by the Bern Historical Museum. In the new study published in the Journal of Archaeological Science, the 39-millimeter-long (1.5-inch-long) arrowhead was evaluated along with other Swiss archaeological finds to see if any were created from meteorites. Sign up to our free Indy100 weekly newsletter This arrowhead in particular - which weighs 2.9 grams - was believed to be made from a meteorite that landed in Estonia. “Among just three large European iron meteorites with fitting chemical composition, the Kaalijarv meteorite (Estonia) is the most likely source,” the study said. It is thought this "large craterforming fall event" occurred in 1500BC during the Bronze Age and produced many small fragments. At this time, humans used the iron from meteorites, before they later learned how to smelt iron from oxide ores. "Archaeological objects made of meteoritic iron are extremely rare," the Bern Historical Museum said in a press release. Only 55 objects are known from the whole of Eurasia and Africa, and these come from 22 sites. Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings.

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Scientists have created what they say is the biggest simulation of our cosmos ever. The virtual universe has the mass of 300 billion galaxies, packed into a space with edges ten billion light years across. Scientists hope that it will help tell us how the real universe that surrounds us first evolved. They could also help address problems in our understanding of physics that currently suggest we might have made deep mistakes about the cosmos. But the first results from the simulation suggest that it might not work: the findings do not get rid of the tensions between different observations about the universe that have proven so difficult to scientists. Researchers created the simulation, named FLAMINGO, by taking the vast amount of data that has been gathered by telescopes such as Nasa’s JWST and other projects. Those projects give information about galaxies, stars and the other arrangement of matter in our cosmos, which can then be fed into the computer. Researchers then hope that the computer can use that data to simulate the evolution and nature of our universe. That can then help resolve those fundamental difficulties we currently face in physics. One of those issues come from the current theory that the properties of our universe are decided by only a few “cosmological parameters”. We can measure those parameters very precisely. But scientists have run into issues because those parameters do not always match. For instance, there are multiple ways of measuring the Hubble constant, or the speed at which the universe is expanding – but those multiple ways show different results, and scientists have not been able to explain them. Scientists hope that the simulation can help explain or resolve that tension. But it is yet to do so. That is just one of the many ways that the creators of the FLAMINGO simulations hope that they can be used to better understand the universe and the observations that we have of it. It might also allow us to make new kinds of discoveries: the vast amount of data means that it can construct random, virtual universes and see how theories work in there, for instance. The work is described in three papers, all of which are published in the Monthly Notices of the Royal Astronomical Society today. Read More Scientists see huge explosion in space – and it could explain life Massive space explosion observed creating elements needed for life Tim Peake: Possibility of all-UK space mission a ‘very exciting development’

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