Scientists discover Big Bang fossil hiding in space

first_img NASA InSight lander rocks its journey to Mars: A view in pictures 22 Photos CNET’s Holiday Gift Guide: The place to find the best tech gifts for 2018.NASA turns 60: The space agency has taken humanity farther than anyone else, and it has plans to go further. Sci-Tech 0 Post a comment NASA, ESA, STScI, and G. Piotto (Università degli Studi di Padova) and E. Noyola (Max Planck Institut für extraterrestrische Physik) The first stars in the universe are long gone, but their signatures may still be writ across space, buried in gas clouds like space fossils.And scientists believe they’ve uncovered one.Researchers at Swinburne University in Melbourne, Australia used their time at the W. M. Keck Observatory, home to two of the world’s most powerful telescopes, to go on an astro-archeological dig through space. They discovered a “pristine cloud of gas” in the distant universe, seemingly untouched by heavy elements, suggesting it may be a “fossil relic” of the Big Bang.Space fossilsHow do you find a fossil relic in space?Well, the universe has had quite a few birthdays — it’s some 13.7 billion years old. Over that time, a lot of stars have lived and died. At the end of a star’s life, it can sometimes explode, becoming a supernova. This massive explosion spews out a lot of waste heavy elements (metals), so generally when scientists look into space, they often find gas clouds murky with this material. Over 13.7 billion years, a lot of stars have exploded — so there’s a lot of waste in the clouds.Examining these gas clouds allows for scientists to gather insight on some of the earliest events in the universe. If the gas clouds are unspoiled by the waste, they may have existed in the infant universe. The research team think they’ve identified one that’s practically untouched by waste heavy elements.”Our inspiration is actually to find relics of the first stars in the universe,” said Prof. Michael Murphy, one of the lead researchers on the study. Gas clouds that are relics of the first stars would be “almost pristine”, according to Murphy, so there would still be traces of the heavy element waste within them.But the fossil relic they found had no detectable levels of waste — it was completely clean — suggesting it comes from the very early universe and has been untouched for 1.5 billion years after the Big Bang.”This discovery – a seemingly pristine cloud – is really important,” said Murphy. “We need to know whether such clouds can last billions of years without being polluted by multiple generations of stars.”Before this discovery, only two such gas clouds had been discovered — and those discoveries were mostly accidental. By actively seeking out the gas clouds and demonstrating that they are unspoiled by heavy elements, Murphy’s team has shown that it’s possible to go digging for them.”Now we’ve proven that we can systematically find such fossils, we really have a chance of knowing how rare or common they are,” said Murphy. “That’s crucial for testing our understanding of how the first galaxies formed.”The first starsIt’s not the first time these relic gas clouds have proven fruitful for Swinburne researchers. In 2016, the team discovered an “almost pristine” gas cloud using data from the Very Large Telescope in Chile.”It proved that trying to hunt for these clouds – and the completely pristine clouds like the one we’ve now discovered – in a targeted way was feasible and could, in principle, identify a “smoking gun” signature of the first stars,” said Murphy.However, there may be alternate explanations for why the gas cloud is so clean — and those explanations are exciting, too.One possibility is that the cloud is polluted by one of the universe’s first stars, leaving only traces of heavy elements, undetectable by the telescopes the team used. Another is that the gas cloud is moving through a galaxy for the very first time, so it has yet to be polluted by other stars just yet.”This is an exciting possibility because understanding how such gas clouds ‘feed’ galaxies is a major problem in astrophysics,” explained Murphy.”We’d like to test this possibility by mapping any galaxies near the cloud in future.”And so searching for the earliest signatures scribbled across the cosmos continues. Share your voice Tagslast_img read more

Best 4G data tariff plans for April 2017 Should you opt for

first_img[Representational Image]REUTERS/Shailesh AndradeThe telecom industry in India has taken a dramatic shift over the last few months after Reliance Industries entered the sector with its ambitious Reliance Jio in October 2016 offering free data and calls for six months. Since then, major telecom operators like Vodafone, Airtel, Idea and BSNL have introduced several tariff plans to retain their subscribers and survive the competition.Mobile phone users, irrespective of the network they are in, are benefiting from Reliance Jio effect, as they get more data and free voice calls for less money. However, they could be left confused as new tariff plans keep rolling out every now and then. So, here we give you the best 4G data tariff plans across the networks in India for the month of April 2017:Also read: This is how Reliance Jio’s rivalry with Airtel, Vodafone and Idea unfolded; best tariff plans for 2017Reliance Jio Jio users can avail Dhan Dhana Dhan Offer at Rs 309 and get 1GB of 4G data per day, and unlimited calls (both local and STD) and SMS for 84 days. However, non-prime members have to pay Rs 408 (Rs 99 for membership) for the same benefit.There is also Rs 509 plan that offers 2GB of 4G data per day, and unlimited voice calls and SMS (local and STD) for 84 days. However, non-prime members have to pay Rs 608 (Rs 99 for membership).Bharti AirtelThe Rs 399 plan offers 1GB of 4G data per day (500MB between 12 am and 6 am, 500MB between 7 am and 11 pm) for 70 days. It also comes with 300 minutes of Airtel-to-Airtel calls per day or 1,200 minutes of calls per week and 3,000 minutes of local or STD calls for 70 days.Rs 345 plan comes with 56GB of 4G data or for 28 days or 2GB per day. It also offers unlimited Airtel-to-Airtel local and STD calls for 70 days with a cap of 300 minutes per day and 3,000 minutes of local and STD calls to a different network.Rs 244 plan offers 1GB of 4G data per day and unlimited Airtel-to-Airtel calls for both local and STD for 70 days. However, 10 paise will be charged per minute after crossing the allotted daily use of 300 minutes and 1200 minutes per week. Representational imageReutersVodafone The network offers 1GB of 4G data per day for Rs 352 with a validity of 56 days. Those who opt for this plan will also get unlimited local and STD calls (300 minutes per day and 1200 minutes per week). However, there is no free SMS facility. A man casts silhouette onto an electronic screen displaying logo of Vodafone India after a news conference to announce the half year results in Mumbai, India, November 10, 2015.Reuters fileIdea Cellular The Rs 297 plan comes with 1GB of 4G data per day and is valid for 70 days. It offers unlimited Idea to Idea local and STD calls. It has a daily cap of 300 minutes of call per day and 1200 minutes per week.The Rs 447 plan offers 1GB of 4G data for 70 days. It also comes with unlimited Idea-to-Idea calls both local and STD and 3,000 minutes of calls to other networks. Idea Cellular’s Managing Director Himanshu Kapania speaks during a news conference to announce the company’s quarterly results in Mumbai October 24, 2013.Reuters fileBSNL Bharat Sanchar Nigam Limited’s Rs 249 plan offers 10GB of data per day or 300GB per month at a speed of 2 Mbps for the initial 1GB before falling to 1 Mbps for the remaining 9GB. It comes with unlimited free calls between 9 pm and 7 am (unlimited free calls all day on Sunday). Facebook/BSNL Indialast_img read more

Drake Teams With LeBron James Uninterrupted to Launch Canadian Offshoot of SportsMedia

first_img Popular on Variety ×Actors Reveal Their Favorite Disney PrincessesSeveral actors, like Daisy Ridley, Awkwafina, Jeff Goldblum and Gina Rodriguez, reveal their favorite Disney princesses. Rapunzel, Mulan, Ariel,Tiana, Sleeping Beauty and Jasmine all got some love from the Disney stars.More VideosVolume 0%Press shift question mark to access a list of keyboard shortcutsKeyboard Shortcutsplay/pauseincrease volumedecrease volumeseek forwardsseek backwardstoggle captionstoggle fullscreenmute/unmuteseek to %SPACE↑↓→←cfm0-9Next UpJennifer Lopez Shares How She Became a Mogul04:350.5x1x1.25×1.5x2xLive00:0002:1502:15 Related Bill Bellamy Joins Octavia Spencer Netflix Series ‘Madam CJ Walker’ Drake, the Canadian music artist and Toronto Raptors mega-fan, is getting into the sports-media business with a major assist from NBA superstar LeBron James.Uninterrupted, the athlete-empowerment brand and media company founded by James and his longtime business partner Maverick Carter, is launching in Canada in partnership with Drake. Uninterrupted Canada is the first international expansion for Uninterrupted, which launched in the U.S. in 2015 with backing from Warner Bros. and Turner.“Expanding into Canada with some incredible partners puts Uninterrupted on a global scale and creates new opportunities for even more athletes and fans to be a part of what we’re building,” LeBron James said in a statement.Drake commented, “Uninterrupted has been an incredible platform for athletes to tell their stories and connect with fans. I’m honored to partner with LeBron to bring Uninterrupted to Canada, a country that continuously supports innovation and creativity.” Pop Is Crushing Hip-Hop in 2019, According to Hit Song Study Like the U.S. version, Uninterrupted Canada will produce “athlete-driven” content, events and merchandise. Uninterrupted Canada is collaborating with Shopify Studios to develop content that will spotlight athletes and entrepreneurship.As part of Uninterrupted Canada’s content slate, the company has signed an exclusive first-look deal with Toronto Raptors star Serge Ibaka, which will include a fashion project. Uninterrupted Canada also is producing a motivational series with pitcher Marcus Stroman, formerly with the Toronto Blue Jays and now with the New York Mets, focusing on shorter-than-average athletes titled “Height Doesn’t Measure Heart.” Uninterrupted Canada will also distribute content from Uninterrupted‘s U.S.“Drake understood the power of what LeBron and Maverick are building and the potential to do something special in Canada where there is real understanding and love for our athletes,” said Adel “Future the Prince” Nur, Drake’s business partner.Uninterrupted Canada will be led by CEO Scott Moore and chief content officer Vinay Virmani. Moore comes to Uninterrupted Canada most recently from Rogers Media, where he spent the last eight years as president of Sportsnet. He will lead business operations and development as well as brand partnerships for the company in Canada. Virmani, who will lead Uninterrupted Canada’s creative operation and content development, has a background as a film producer, director, actor and sports fan.Uninterrupted raised $15.8 million in 2015 from WarnerMedia’s Warner Bros. Entertainment and Turner Sports.last_img read more