外汇一天涨跌多少ElonMuskSpaceXrocketplanusesapartyballoon

2020-02-05   阅读:115

  外汇一天涨跌多少Elon Musk SpaceX rocket plan uses a party balloonElon Musk SpaceX rocket plan uses a party balloon It sounds like Elon Musk is planning a shindig for 5-year-olds.The SpaceX founder dropped athread onto TwitterSunday night that started with the simultaneously exciting and portentous phrase "This is gonna sound crazy, but\u2026"Musk went on to suggest SpaceX will attempt to bring a rockets upper-stage section back down to Earth using a giant party balloon and then land it on a bouncy house. The upper stage is the part of the rocket system that fires after the first stage disconnects. It escorts the payload all the way into orbit.SpaceX has had success recapturing the first stages of its Falcon rockets, refurbishing them and using them for multiple missions, but it has yet to attempt to land and reuse a second stage. These are typically left to decay in orbit and eventually burn up when they reenter the atmosphere.Hans Koenigsmann, SpaceXs vice president of mission assurance, participated in a NASA briefing on Sunday ahead of the launch of the space agencys new exoplanet-hunting mission TESS, which is scheduled to go into orbit on Monday aboard a SpaceX Falcon 9 rocket.Koenigsmann fielded a question asking if SpaceX would try to purposefully de-orbit the second stage of the rocket used for the TESS launch."We will not de-orbit the second stage, but we will basically kick it out," Koenigsmann said. He said it will do a third burn that will send the second stage away from Earth as a means of disposing of it. So we shouldnt expect any party balloon antics from SpaceX for the TESS launch, but its something we should keep an eye on for the future.While Musks party imagery makes the concept sound far-fetched, its actually a reasonable idea to consider. Musk may be talking about a ballute, an inflatable parachute-like device that could look like a huge balloon. Its a technology that NASA has eyed for years.The bouncy house method of catching the rockets upper stage could bear a resemblance to SpaceXs idea of using a ship equipped with a large net to catch a rocket nose cone. Musk cited this example in a follow-up tweet.SpaceX has made strides inrecycling rockets to help keep down the cost of launching satellites, cargo capsules and spacecraft. Its no wonder Musk is looking at ways to reuse even more of the rocket equipment.So, does this sound crazy? No crazier than Musks Boring Company selling thousands of flamethrowers or SpaceX shooting Musks personal Tesla electric car off into the solar system.Tech Enabled: CNET chronicles techs role in providing new kinds of accessibility. Blockchain Decoded: CNET looks at the tech powering bitcoin -- and soon, too, a myriad of services that will change your life.

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