渭南高二补习学校排名铜川封闭学校实力多少钱,莲湖初三复读实力提分快,汉中高考提分哪里有效果好,蓝田县民办高中专业怎么办,陕西初三升学率联系方式,灞桥区应届生民办高中怎么样,鹤壁新高一正规成绩好

SpaceX launched 60 more mini internet satellites late Monday, this time testing a dark coating to appease stargazers.It’s a “first step” compromise between SpaceX and astronomers fearful of having dark skies spoiled by hundreds and, eventually, thousands of bright satellites circling overhead.The Falcon 9 rocket blasted into a cold, clear night sky, recycled by SpaceX for its fourth flight. As the first-stage booster flew to a vertical landing on an ocean platform, the Starlink satellites continued hurtling toward orbit to join 120 similar spacecraft launched last year. Flight controllers applauded, and the launch commentator described the booster’s fourth touchdown as “awesome.” An hour later, all 60 satellites were free of their upper stage and making their own way in orbit. “It’s a beautiful sight,” the commentator observed.His Starlink fleet now numbering 180, SpaceX founder and chief executive Elon Musk plans to ultimately launch thousands of these compact flat-panel satellites to provide global internet service. Each spacecraft is just 575 pounds (260 kilograms).After the first Starlink batch of 60 was launched in May and the second in November, astronomers complained how the bright satellite chain was hampering their observations. In response, SpaceX came up with a darkening treatment to lessen reflectivity. The coating is being tested on one of the newly launched satellites.Jeff Hall, director of the Lowell Observatory in Flagstaff, Arizona, said the Starlinks have been just an occasional problem — so far — but noted the risk to stargazing will grow as the constellation expands and other companies launch their own fleets. He heads the American Astronomical Society’s committee on light pollution, space debris, and radio interference, and is working with SpaceX on the issue. The matter is on the agenda, in fact, at the society’s conference in Hawaii this week.“Anything that darkens the satellites is a step in the right direction,” Hall said in an email Monday. He said it’s too soon to know whether the dark coating will work, “but it definitely is just a first step and not enough to mitigate the issues astronomy will experience with the Starlinks.”The Starlinks are initially placed in a relatively low orbit of 180 miles (290 kilometeters), easily visible as a long, strung-out cluster parading through the night sky. Over a few months, krypton-powered thrusters raise the satellites to a 340-mile (550-kilometer) orbit. The higher the orbit, the less visible the satellites are from the ground, according to SpaceX. Even so, SpaceX said it’s supplying astronomy groups with the satellite coordinates in advance, so they can avoid the bright flyover times.Already established in launching satellites for others and making space station deliveries for NASA, SpaceX is among several companies looking to provide high-speed, reliable internet service around the world, especially in places where it’s hard to get or too expensive. Others include Jeff Bezos’ Amazon and OneWeb. SpaceX may start service later this year in the northern U.S. and Canada, then expand to the world’s most populated areas after 24 launches. 3170

SAN JUAN COUNTY, N.M. – Authorities believe a Mennonite woman who went missing in New Mexico in January was kidnapped and murdered. The 148

Schools districts across the U.S. are drawing up plans for how they’ll possibly reopen classrooms for the 2020-21 school year based on recommendations from state and federal officials. If schools do reopen in the fall, many teachers may not be there. USA Today and Ipsos 283

Robert Mueller's investigation into possible obstruction of justice could not clear President Donald Trump, according to a redacted version of the 158

Singer R. Kelly has been charged with two counts of engaging in prostitution with a person under 18 in Minnesota, prosecutors said Monday.Hennepin County Attorney Mike Freeman announced the charges against the performer, whose legal name is Robert Sylvester Kelly.Kelly is being charged by a summons, Freeman said, so it is unclear when he will respond to the new charges. His attorney has said it's not clear if his client has even met the woman and says this might be a case of "revisionist history."Freeman said the criminal complaint details an incident that occurred in July 2001 after a minor asked the singer for an autograph at a promotional event.Kelly gave the girl, then 17, his autograph and a phone number, the complaint states. When she called, she was directed to his hotel in Minneapolis and was met by someone she believed was a male member of his staff.The complaint says that when she met Kelly, the two made small talk before he gave her 0 to dance for him. After settling on the amount, she agreed. He took off her clothes and then his, and he touched her sexually while she danced, the documents say.He gave the victim VIP tickets to his concert, the complaint says. That enabled her to attend the 18+ concert without paying or showing her ID.The girl said that she discussed going to Chicago with Kelly but that the two lost contact after he changed the number he had given her, Freeman said.She contacted law enforcement in January to report the encounter, he said, after other allegations against Kelly surfaced. Attorneys corroborated some of her account with her brother, who saw her at Kelly's 2001 concert and confirmed that she told him she had been paid to dance for the singer.He said she didn't go into detail and he did not press her because she seemed uncomfortable talking about it."It is despicable that Mr. Kelly used his fame in order to prey on underaged girls," Freeman said in a statement.With charges pending against Kelly in New York and Illinois, Freeman said it's unclear when he will appear in court in Minnesota."While there are more numerous charges in the Illinois and federal cases, we wanted to make sure that our victim here in Minneapolis also receives a measure of justice," he said in a statement.Doug Anton, one of Kelly's attorneys, responded to the latest charges."Frankly I don't understand where the criminal activity exists in this matter. But I believe this highlights what has now become the absurdity of The bulk of the charges against our client.""When a top law-enforcement figure makes a public cry for the world to come and be famous by telling their sordid story, true or not, it inherently invites people to create revisionist history and put a different label on simple fan rockstar encounters."Anton said he didn't know if Kelly had ever met the woman."All we know is that yet another person has come forward either by their own desire or by being dragged in to the fray by prosecutors looking to make a name for themselves."Kelly pleaded not guilty to other charges FridayThe Minnesota indictment is the latest in a tangle of charges against Kelly, who's faced accusations of abuse and manipulation of underage girls and women for more than 20 years.On Friday, he pleaded not guilty in New York on several counts of racketeering, kidnapping, forced labor and sexual exploitation of a child. He was indicted in July by a federal court on accusations of transporting women and girls across state lines for "illegal sexual activity."Of the five unnamed women referenced in the indictment, three were minors.That indictment also alleges that he knowingly exposed at least one person to a sexually transmitted disease without disclosing it.He was indicted by grand juries in Illinois and New York in July on charges of recruiting women for sex, persuading people to conceal his sexual misconduct with teenagers, and buying back tapes that show him having sex with underage girls.He pleaded not guilty to the 13-count indictment in Illinois, which included four counts of producing child pornography and five counts of enticement of a minor to engage in criminal sexual activity.Kelly was also accused of videotaping himself having sex with at least four underage girls as far back as 1998.He'll next appear in Chicago court on September 4 for a status hearing on those charges.In February, he pleaded not guilty to an Illinois state court's charges: 10 counts of aggravated criminal sexual abuse against four people, including three underage girls. He was released on 0,000 bond but arrested and jailed in March after, authorities say, he failed to pay more than 0,000 in child support to his ex-wife. He was released days later after an undisclosed person paid the money owed.Kelly has remained in custody since July, awaiting trial on the 13-count indictment. 4851