List of All Articles with Tag 'spac'

A study detailing the habitability of a nearby exoplanet appears to have caught the attention of SpaceX boss Elon Musk. The tech billionaire has frequently spoken of his intention to transform humanity into a mult-planetary species through his private space firm, with plans to colonise Mars within the next few decades. The study of Proxima Centauri b, which sits within the so-called ‘Goldilocks Zone’ of the red-dwarf star Proxima Centauri, involved computer simulations to evaluate whether it can sustain liquid water that may harbour living organisms. “The major message from our simulations is that there’s a decent chance that the planet would be habitable,” Anthony Del Genio, a planetary scientist at the Nasa Goddard Institute for Space Studies said when the study was first published in 2018. The study concluded that Earth-sized planet is potentially the closest “highly habitable” planet to our Solar System, located 4.2 light-years away from the Sun. “Practically next door,” Mr Musk wrote in a tweet on Sunday, sharing the study. Proxima Centauri b has been the subject of several studies since it was first discovered in 2016, with astronomers attempting to assess whether it is capable of sustaining life. Similar to the Earth’s moon, the planet is “locked” due to gravitational forces, meaning that the same side of Proxima Centauri b always faces its parent star. Computational models suggest that the exoplanet’s circulating oceans and atmosphere act as an effective transfer of heat, so that its dark side is not permanently frozen. Despite its relatively close distance compared to other potentially habitable planets, travelling 4.2 light-years – or 40 trillion kilometres (25 trillion miles) – requires technology that is still in the conceptual stages of development. Nasa’s interstellar space probe Voyager 1, which was launched in 1977, would take 80,000 years to travel to Proxima Centauri, however the US space agency’s DEEP-IN programme aims to make the journey possible within a single lifetime. Scientists working on DEEP-IN claim that small crafts propelled by light could travel at speeds of up to 161 million kilometres per hour, and could reach the neighbouring star and exoplanet in 20 years. Mr Musk has frequently voiced his concerns about humanity’s long-term survival, claiming that setting up self-sustaining colonies on other planets is vital to ensure the continuation of our species. SpaceX has so far been at the forefront of these endeavours, developing its reusable Starship rocket with the intention of transporting people and cargo across the solar system. Read More Elon Musk refuses to pay Twitter’s Google bill Elon Musk claims AI will overtake humans 'in less than five years'

By Will Dunham WASHINGTON Space can be an unfriendly place for the human body, with microgravity conditions and

Long space missions are damaging astronauts’ brains, scientists have said. Experts now suggest that those who are spending a long time in space should take three years to allow their brains to recover from the changes experienced during their journeys. Those are the findings of a new study looking at how brain’s react to leaving Earth’s gravity. It comes ahead of what is expected to be a new era of long journeys around space, including the first missions to Mars. Researchers looked at brain scans of 30 astronauts, taken before and after they travelled to space. They found that journeys over six months left the brain’s ventricles significantly expanded – and they could take up to three years to recover. The ventricles are cavities in the brain that are filled with a fluid that protects and nourishes the brain, as well as removing waste. Usually, that fluid is helpfully distributed around the body, but the lack of gravity in space can mean that the fluid is pushed upward and shoves the brain higher in the skull. “We found that the more time people spent in space, the larger their ventricles became,” said Rachael Seidler, a professor of applied physiology and kinesiology at the University of Florida and an author of the study. “Many astronauts travel to space more than one time, and our study shows it takes about three years between flights for the ventricles to fully recover.” Read More Scientists demonstrate wireless power transmission from space for first time Japan to launch satellite made of wood in 2024 US tells China: ‘We’ll fight in outer space if we have to’

The mystery behind the brightest explosion ever seen has finally been solved. In October last year, the Earth was hit by a blast that came to be known as the Brightest of All Time. It was recorded by telescopes across the world, and scientists have been scrambling to explain it ever since. Now researchers believe they may understand why that gamma ray burst was quite so intense. It was pointed directly at Earth and pulled along a large amount of stellar material. That’s according to a new paper published in the journal Science Advances. While scientists have suggested before that the brightness of the blast was the result of its angle, but some mystery remained: the edges of the jet could not be seen. “The slow fade of the afterglow is not characteristic of a narrow jet of gas, and knowing this made us suspect there was an additional reason for the intensity of the explosion, and our mathematical models have borne this out,” said Hendrik Van Earthen from the University of Bath. “Our work clearly shows that the GRB had a unique structure, with observations gradually revealing a narrow jet embedded within a wider gas outflow where an isolated jet would normally be expected.” The work is described in a new paper, ‘A structured jet explains the extreme GRB 221009’, published in the journal Science Advances. Read More Scientists demonstrate wireless power transmission from space for first time Whistleblower alleges UFO crashes – and a cover-up to keep them secret Watch: Strawberry moon lights up skies over UK

By Joey Roulette WASHINGTON NASA's plans to turn over its flagship rocket to contractors Boeing and Northrop Grumman

Around 50% of major global companies will need less real estate in the next three years, with American cities — led by San Francisco — most exposed to empty offices, new research has found.

Twitter owner Elon Musk has proposed hosting Twitter Spaces interviews with political candidates of all stripes, reflecting the billionaire's supposed commitment to ideological neutrality and to promoting Twitter as a true "public square."

By Kylie Madry and Adriana Barrera MEXICO CITY (Reuters) -U.S. aviation regulators finished a review of Mexico's airspace safety but

June's strawberry moon will be accompanied by an extra-bright Venus this Saturday.

Scientists have found an array of “dashes” within our universe, all arranged in an unexpected pattern. The vast structures are lying in the middle of our Milky Way galaxy and point towards the black hole at its core. There are hundreds of them, each five to 10 light-years long, researchers say. “It was a surprise to suddenly find a new population of structures that seem to be pointing in the direction of the black hole,” Northwestern University’s Farhad Yusef-Zadeh, who led the research. “I was actually stunned when I saw these. We had to do a lot of work to establish that we weren’t fooling ourselves. And we found that these filaments are not random but appear to be tied to the outflow of our black hole. By studying them, we could learn more about the black hole’s spin and accretion disk orientation. It is satisfying when one finds order in a middle of a chaotic field of the nucleus of our galaxy.” Scientists have no confirmed explanation for where the structures came from, and much about their existence remains a mystery. But one possible explanation is that they were thrown out from after some activity a few million years ago. In the early 1980s, Professor Yusef-Zadeh found a set of gigantic, one-dimensional filaments hanging across our galaxy, near Sagittarius A*, the black hole at the heart of the Milky Way. The new filaments were previously undiscovered, and are much shorter and lie across, spreading out from the black hole. “We have always been thinking about vertical filaments and their origin,” he said. “I’m used to them being vertical. I never considered there might be others along the plane.” The research is described in a new paper, ‘The Population of the Galactic Center Filaments: Position Angle Distribution Reveal a Degree-scale Collimated Outflow from Sgr A* along the Galactic Plane’, published in The Astrophysical Journal Letters. Read More Most powerful space telescope ever built identifies ancient star-studded galaxy Academics prepare for mission to Mars in bid to prove water theory Japan to launch satellite made of wood in 2024

By Colette Luke and Steve Gorman WASHINGTON When U.S. Poet Laureate Ada Limon was asked to write a

WASHINGTON Boeing Co will "stand down" from preparations for its first crewed Starliner test flight to space, which