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iOS有限的应用程序选择:筛选-垃圾邮件过滤工具(60)_我的网站

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一 |     Russia's Luna-25 probe likely left a 33-foot-wide crater on the surface of the moon last month when it lost control and crashed down, NASA said Thursday, revealing images that show the suspected impact site.Russia's first moon mission in 47 years ended in failure on August 19 when the Luna-25 probe smashed into the moon after a thruster firing went awry, cutting off communications and putting the spacecraft on the wrong orbital path, according to Roscosmos, the Russian space agency.NASA's Lunar Reconnaissance Orbiter (LRO) spacecraft captured images last week of what the U.S. space agency described as a "new crater" after Roscosmos published an estimate of where the probe had struck.

nasa-luna25-crater.jpg              
During the descent to the surface on August 19, the Russian spacecraft Luna-25 experienced an anomaly that caused it to smash into the moon's surface. The faiint arrow in this NASA image shows where the agency believes the probe made impact.                    NASA's Goddard Space Flight Center/Arizona State University             
"Since this new crater is close to the Luna-25 estimated impact point," NASA wrote in a statement, "the LRO team concludes it is likely to be from that mission, rather than a natural impactor."      Moscow has set up a commission to investigate exactly why Luna-25 crashed.The failure was a major disappointment for the Russian space program, which was attempting to up its game amid renewed interest in the moon's southern polar region, where ice deposits may exist in permanently shadowed craters. Ice could offer future space missions a way to produce breathable air, water and even hydrogen rocket fuel.                 The Russians have had little success with independent space exploration since the Luna-24 robot landed on the moon in 1976. It scooped up about six ounces of lunar soil and returned it to Earth in Russia's third successful robotic lunar sample return mission.Twelve NASA astronauts walked on the moon a half century ago in the agency's Apollo program, but no Russian cosmonauts ever made the trip. Russia's only previous post-Soviet deep space robotic missions, both targeting Mars, ended in failure.
    
                                                     
    
                        Former NASA astronaut breaks down India's moon landing         04:34                            
Luna-25 was an attempt to pick up the torch and put Russia back into a new space race of sorts, as the U.S., China, India, Japan and the private sector all plan multiple moon missions that could lay the foundations for lunar bases and eventual flights to Mars.India's Chandrayaan-3 Vikram lunar lander made a historic touch-down near the moon's south pole just several days after the Russian probe crashed. It delivered a lunar rover that has already sent back data from soil samples.                      William Harwood contributed to this report.                                  。1月13日:筛选是为苹果iOS 11设计的垃圾邮件过滤工具。根据用户设计的规则筛选短消息。它完全在本地运行,保证用户的隐私。此外,筛选器支持黑白列表设置,您可以通过正则表达式设置筛选规则。

二 | 目前,Sifter在苹果应用商店已经受到限制(原价为6元),有兴趣的合作伙伴可能希望享受1。应用程序下载:点击此处进入iTunes商店。

三 | (13.5MB,iOS 11.0或更高版本。与iphone、ipad和ipod touch兼容。)更多限制的iOS应用程序,请注意iOS应用程序建议:iphone入口ipad入口。

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Published on:02:22:53