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Although NASA's Kepler space telescope ran out of fuel and ended its mission in 2018, citizen scientists have used its data to discover an exoplanet 226 light-years away in the Taurus constellation.The exoplanet, known as K2-288Bb, is about twice the size of Earth and orbits within the habitable zone of its star, meaning liquid water may exist on its surface. It's difficult to tell whether the planet is rocky like Earth or a gas giant like Neptune.The planet is in the K2-288 system, which contains a pair of dim, cool M-type stars that are 5.1 billion miles apart, about six times the distance between Saturn and the sun. The brightest of the two stars is half as massive as our sun, and the other star is one-third of the sun's mass. K2-288Bb orbits the smaller, dimmer star, completing a full orbit every 31.3 days.K2-288Bb is half the size of Neptune or 1.9 times the size of Earth, placing it in the "Fulton gap" between 1.5 and two times the size of Earth. This is a rare size of exoplanet that makes it perfect for studying planetary evolution because so few have been found.The discovery was announced Monday at the 233rd meeting of the American Astronomical Society in Seattle."It's a very exciting discovery due to how it was found, its temperate orbit and because planets of this size seem to be relatively uncommon," said Adina Feinstein, a University of Chicago graduate student in astrophysics and lead author of a paper describing the new planet that was accepted for publication by The Astronomical Journal.Although all of the data from the Kepler mission was run through an algorithm to determine potential planet candidates, visual manpower was needed to actually look at the possible planet transits -- or dip in light when a planet passes in front of its star -- in the light curve data. Kepler observed other events that could be mistaken for planet transits by a computer.But the "reboot" of the Kepler mission in 2014 that led to the K2 mission allowed for multiple observation campaigns that brought in even more data. Every three months, Kepler would stare at a different patch of sky."Reorienting Kepler relative to the Sun caused miniscule changes in the shape of the telescope and the temperature of the electronics, which inevitably affected Kepler's sensitive measurements in the first days of each campaign," said study co-author Geert Barentsen, an astrophysicist at NASA's Ames Research Center, in a statement.Those first three days of data were ignored, and errors were corrected in the rest of the data gathered.But the scientists couldn't do it alone. There were too many light curves to study on their own.So the reprocessed, "cleaned-up" light curves were uploaded through the 2731

After reports surfaced on Monday that Sen. Bernie Sanders told fellow Democratic Sen. Elizabeth Warren that a woman could not win the presidency, Sanders and Warren were asked to address the squabble directly. Sanders denied he told Warren a woman couldn't win. “Well, as a matter of fact, I didn’t say it,” Sanders said. “And I don’t want to waste a whole lot of time on this, because this is what Donald Trump and maybe some of the media want.”Sanders pointed out that Hillary Clinton won the popular vote by nearly 3 million votes as proof a woman can win the presidency.Warren tried to defuse the disagreement.“Bernie is my friend and I’m not here to fight with Bernie,” Warren said.But it appeared the disagreement boiled over after the debate. As the candidates exchanged pleasantries following the debate, Sanders appeared to reach out his hand to Warren. Warren opted not to shake Sanders' hand, video showed.The two sparred over electability and who has a track record of defeating Republicans. “The only people on this stage who won every single election that they’ve been in are the women: Amy and me,” Warren said. Warren then said that she was the only person on the debate stage to defeat an incumbent Republican in the last 30 years. But Sanders interjected. "I defeated an incumbent Republican running for Congress,” Sanders said about his 1990 win over Republican Peter Smith. But Sanders previously lost to Smith in 1988 by a 4% margin. Sanders has also lost two Senate and three gubernatorial elections early in his political career.Sen. Amy Klobuchar boasted her ability to be elected. "I have won every race, every place, every time. I have won in the reddest of districts. I have won in the suburban areas, in the rural areas," she said. 1772

A Michigan high school marching band had no football team to play for, but not too far away, a football team needed a band. Luckily, they found each other and completed the perfect pair.The match was made last Friday night when the Glen Lake Lakers football team heard that their neighboring Forest Area Marching Band had no one to play for after their football team's season was canceled -- Forest Area suspended its season due to low player participation.So, the Lakers invited the band to come play at theirs."No Friday night football game under those lights is complete without your sideline cheer team and a marching band," Mark Mattson, Assistant Principal and Athletic Director at Glen Lake, told CNN.Thrilled at the opportunity to perform for a crowd, the band quickly learned the Lakers' fight song. Meanwhile, an hour away, Glen Lake was adding extra seating and erecting tents to ward off the impending rain."They were just over the moon excited to go be able to play at a different location," Forest Area Principal Kelly Holeman told CNN. "It was something new and fun."The night ended in a victory for Glen Lake, played out against the backdrop of the music they've been lacking all season long.The Glen Lake athletic director said that the band undoubtedly made an impact on the atmosphere of the night."It didn't take long for the two schools to connect and become one in supporting each others' cause," Mattson said. He added they were welcome back anytime. 1485

A vault fire in Irvine, California, sparked a power outage that shut down John Wayne Airport, police said.In a series of tweets Friday, the airport -- in Orange County -- alerted travelers about the ground stop, which will remain in effect until 258

Amazon's go-it-alone delivery strategy has driven away one of its biggest partners. FedEx will end its ground delivery contract with Amazon.For years, Amazon has used FedEx's ground delivery service to help shuttle online orders to consumers. But Amazon is also rapidly bolstering its own delivery network, agitating established logistics businesses.FedEx announced Wednesday that it plans to let their ground ship contract expire at the end of the month. The company said in a statement that recent steps to bolster its delivery network have positioned the company "extraordinarily well" to "focus on the broader e-commerce market."FedEx also dumped Amazon from its air cargo services in June. The company said at the time it would continue serving online shoppers through its partnerships with other companies not named Amazon. FedEx noted Amazon accounted for less than 1.3% of its total revenue in 2018.Amazon did not immediately respond to a request for comment.FedEx v. AmazonAmazon's obsession with speedier deliveries has overhauled the delivery landscape. Its aggressive plans to expand its internal shipping network threaten FedEx and UPS.Over the past couple of years, Amazon's moves are often met in lock step by FedEx: Amazon expanded its warehouse center, and FedEx debuted FedEx Fulfillment. Amazon announced single-day delivery, and FedEx said it would speed things up with seven-day shipping. Amazon began testing a delivery robot, and FedEx introduced the 1486