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贵阳手术治疗静脉曲张价格
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发布时间: 2025-05-31 05:15:06北京青年报社官方账号
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  贵阳手术治疗静脉曲张价格   

General Motors, America's largest automaker, and Bechtel, the country's largest construction company, are teaming up to build thousands of electric vehicle 168

  贵阳手术治疗静脉曲张价格   

For the first time, an object in our solar system has been found more than 100 times farther than Earth is from the sun.The International Astronomical Union's Minor Planet Center announced the discovery Monday, calling the object 2018 VG18. But the researchers who found it are calling it "Farout."They believe the spherical object is a dwarf planet more than 310 miles in diameter, with a pinkish hue. That color has been associated with objects that are rich in ice, and given its distance from the sun, that isn't hard to believe. Its slow orbit probably takes more than 1,000 years to make one trip around the sun, the researchers said.The distance between the Earth and the sun is an AU, or astronomical unit -- the equivalent of about 93 million miles. Farout is 120 AU from the sun. Eris, the next most distant object known, is 96 AU from the sun. For reference, Pluto is 34 AU away.The object was found by the Carnegie Institution for Science's Scott S. Sheppard, the University of Hawaii's David Tholen and Northern Arizona University's Chad Trujillo -- and it's not their first discovery.The team has been searching for a super-Earth-size planet on the edge of our solar system, known as Planet Nine or Planet X, since 2014. They first suggested the existence of this possible planet in 2014 after finding "Biden" at 84 AU. Along the way, they have discovered more distant solar system objects suggesting that the gravity of something massive is influencing their orbit.Farout was found using the Japanese Subaru 8-meter telescope on Hawaii's Mauna Kea in November. Follow-up observations with Carnegie's Las Campanas Observatory's Magellan telescope in Chile determined its path, brightness and color."This discovery is truly an international achievement in research using telescopes located in Hawaii and Chile, operated by Japan, as well as by a consortium of research institutions and universities in the United States," Trujillo said in a statement. "With new wide-field digital cameras on some of the world's largest telescopes, we are finally exploring our Solar System's fringes, far beyond Pluto."In October, the team announced the discovery of "the Goblin" at 80 AU; it's so named because the distant solar system object was first spotted near Halloween.It's unlikely that these objects are influenced by the gravity of gas giants Neptune and Uranus because they never get close enough to them -- which indicates that something else is determining their orbits.Farout's orbit is yet to be determined."2018 VG18 is much more distant and slower moving than any other observed Solar System object, so it will take a few years to fully determine its orbit," Sheppard said in a statement. "But it was found in a similar location on the sky to the other known extreme Solar System objects, suggesting it might have the same type of orbit that most of them do. The orbital similarities shown by many of the known small, distant Solar System bodies was the catalyst for our original assertion that there is a distant, massive planet at several hundred AU shepherding these smaller objects." 3114

  贵阳手术治疗静脉曲张价格   

Hillary Clinton said Monday that she is not running for president in 2020 but will continue to speak out about politics, saying, "I'm not going anywhere.""I'm not running, but I'm going to keep on working and speaking and standing up for what I believe," the 2016 Democratic presidential nominee 308

  

Forecasters may not be expecting a severe hurricane season this year, but a few major storms could still threaten the Atlantic coast.The Atlantic hurricane season officially kicks off Saturday -- even after Subtropical Storm Andrea briefly spun up near Bermuda last week -- and will run through November 30.The nation's top hurricane forecasters have predicted a near-normal season with "a lot" of storms. Nine to 15 named storms, including four to eight hurricanes, could form in the Atlantic.The National Oceanic and Atmospheric Administration, or NOAA, said the season won't likely be as violent as last year's above-average season when hurricanes Florence and Michael slammed the United States, killing nearly 100 people and causing billions of dollars in damage.But they are warning that two to four hurricanes could still grow to Category 3 or stronger. Those storms carry winds of 111 to 129 mph."That's still a lot of activity," said Gerry Bell, NOAA's lead hurricane forecaster. "We are expecting a near-normal season but regardless, that's a lot of activity and you still need to prepare for the hurricane season now."Would a hurricane hit the US?While the forecast does not specifically predict where those storms might strike, weather officials are urging all US coastal residents to prepare for a tropical storm or hurricane, because the past two years have been devastating.In 2017, Hurricanes Harvey, Irma and Maria put a dramatic end to a 12-year period with no major hurricane landfalls in the United States and ranked among the costliest hurricanes in history.Millions of people in Texas, Louisiana, southwest Florida, North Carolina and Puerto Rico are still reeling from the trio of hurricanes.A fourth storm, Hurricane Nate, also made US landfall, but never reached major hurricane level.Last year, Florence arrived during the season's peak to pummel the Carolinas. Then, Hurricane Michael slammed the Florida Panhandle with frightening fury and later socked Virginia, the Carolinas and Georgia.El Ni?o could lead to fewer stormsEl Ni?o, the periodic weather event characterized by warming ocean temperatures, tends to weaken hurricanes but that could change if the weather is warmer.Neil Jacobs, the acting NOAA administrator, said warmer-than-average sea-surface temperatures in the tropical Atlantic Ocean and Caribbean Sea, as well as enhanced storm activity moving off West Africa, would favor increased activity.El Ni?o could also weaken quicker than anticipated, creating conditions that would be more favorable for storm development by peak season in September.The opposite is also true: If El Ni?o strengthens more than anticipated, it could keep tropical storm activity on the lower end of NOAA's range.Weather officials say El Ni?o has a 55% to 60% chance of continuing through the fall.Hurricane ready? Supplies are tax-free in FloridaFloridians are getting a little help from authorities to build their own hurricane emergency kit.Residents can buy emergency supplies free of sales taxes from May 31 until June 6. The discount includes ice packs, batteries, flashlights, coolers and items worth up to 0, such as portable generators."While living in and visiting Florida offers many benefits and advantages, it is important to keep the potential for severe weather hazards and threats in mind," said Jim Zingale, executive director of the Florida Department of Revenue.The holiday tax was passed by Florida lawmakers and signed into law by Gov. Ron DeSantis in May.A storm formed early -- againFor the past five years, a winter hurricane and a series of tropical storms have formed before the official start of the Atlantic hurricane season. Subtropical Storm Andrea continued that trend in May.The short-lived storm made this the fifth consecutive year that a named storm has formed before the season's official start.Hurricane Alex, an unusual winter hurricane, formed in January 2016 in the northeastern Atlantic Ocean.Meantime, April saw the advent of Tropical Storm Arlene in 2017, while May ushered in Tropical Storm Ana in 2015 and Tropical Storm Alberto in 2018.The recent rise in off-season storms has raised questions about the impact of climate change and whether the time frame should begin sooner.But weather officials have said they would need more evidence of a considerable change before making a final decision.In the past 12 years, there have been at least six named storms right before hurricane season officially started -- during the second half of May -- but in the 31 years before that, there was "a lack of any such activity" in the same time frame, said Dennis Feltgen, a meteorologist and spokesman with the National Hurricane Center. 4708

  

FORT LAUDERDALE, Fla. – A Florida man is accused of repeatedly cutting brakes on electric scooters. The Fort Lauderdale Police Department has been investigating the vandalism of more than 140 scooters in the city since April. Police say a majority of the incidents occurred near the 1200 block of East Broward Boulevard and all included severed brake lines. On Sunday, police say they arrested a suspect, 59-year-old Randall Williams, who was caught in the act of tampering with several scooters. He's now being charged with criminal mischief, a 3rd degree felony. 577

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