Bitcoin trading volume tumbled last month amid waning volatility and little notable price swings in a market that

New findings have revealed that time ran five times slower in the early universe, after scientists published new research into quasars. A quasar is a luminous active galactic nucleus and studying them has allowed scientists to measure time. The variation in brightness of quasars from the early universe has been measured to determine time dilation back to a billion years after the Big Bang. Experts have found that there was an era in which clocks moved five times slower than they do in the present day. The findings come as a relief to many cosmologists who have been perplexed by previous results that have come from studying quasars. The discovery that the universe is expanding led to the theorisation of “time dilation” – the idea that time moved slower the smaller the universe was. Sign up to our free Indy100 weekly newsletter Professor Geraint Lewis of the University of Sydney, the lead author of a new study, said in a statement: “Looking back to a time when the universe was just over a billion years old, we see time appearing to flow five times slower.” He continued, explaining: “If you were there, in this infant universe, one second would seem like one second – but from our position, more than 12 billion years into the future, that early time appears to drag.” To measure the extent of time dilation, scientists turned to quasars, as they are able to measure their change in brightness over a period they can estimate. The most distant quasar that is visible is 13 billion back in time and can still be seen despite its far distance. Their brightness varies due to turbulence and lumpiness in their accretion disks. Lewis explained the phenomenon as being “a bit like the stock market”. He said: “Over the last couple of decades, we’ve seen there is a statistical pattern to the variation, with timescales related to how bright a quasar is and the wavelength of its light.” 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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When NASA’s Perseverance Rover observed an image from Mars of its moon Phobos eclipsing the Sun, it was a reminder that the astronomical body is doomed to crash into the planet. Phobos is the closest of Mars’ two moons and it is due to fall out of orbit relatively soon. When it does, it will either crash into the surface of the planet or break up completely. Before it does, it will drift ever closer to Mars at a relatively rapid rate. "Phobos is nearing Mars at a rate of six feet (1.8 meters) every hundred years; at that rate, it will either crash into Mars in 50 million years or break up into a ring," NASA says about the moon. Sign up to our free Indy100 weekly newsletter A statement about the recently recorded eclipse states: "Scientists already know that Phobos is doomed. “The moon is getting closer to the Martian surface and is destined to crash into the planet in tens of millions of years. But eclipse observations from the surface of Mars over the last two decades have also allowed scientists to refine their understanding of Phobos’ slow death spiral." NASA's Perseverance Rover Sees Solar Eclipse on Mars www.youtube.com Mars is the subject of much scientific interest right now, especially after Nasa discovered “diverse organic matter” on the surface of the planet, which could change our understanding of the red planet and the search for life in the universe. The Perseverance rover made the discovery in the Jezero Crater on Mars and a number of different explanations for the existence of the material have been posited. The materials could have been formed when water and dust interacted, or was dropped onto the planet by dust or meteors. 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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