Daily Tech Briefing
AI 科技速览

每天 5 分钟内学习 AI。获取最新的人工智能新闻,理解其重要性,并学习如何将其应用于您的工作。

AI 快讯
CNBC AI · 2026/7/31 17:35:23
A discarded SpaceX rocket is on a high-speed collision course with the moon

A discarded SpaceX rocket is on a high-speed collision course with the moon

AI 中文解读
核心亮点:一枚被SpaceX遗弃的火箭残骸正以每小时8700公里的高速撞向月球,这将是人类航天史上首次“失控”的月球撞击事件。 通俗解读:简单说,就是两年前SpaceX发射火箭时,留在太空里的一节“废铁”没人管,一直在太空乱飘。现在它正好飘到月球轨道上,刹不住车了,预计周三会直接撞上月球表面。撞击点离著名的爱因斯坦陨石坑不远。虽然是人类制造的垃圾砸到月球,但这速度比子弹还快好几倍,专家们反而很兴奋,都想看看这一撞能撞出多大的坑、溅起多少月球的尘土。 实际影响:别担心,这次撞击不会影响地球,普通人的日常生活不会有任何变化。但对天文学家和太空爱好者来说,这是一次难得的“免费实验”——通过观察撞击产生的尘埃和坑洞,能帮我们更好地了解月球地下的成分。同时这也给航天界提了个醒:太空垃圾越来越多,以后卫星和火箭的设计中得考虑如何“善后”,不能让它们变成太空里的“定时炸弹”。这为人类未来的月球基地建设提供了重要参考。
Skip NavigationMarketsPre-MarketsU.S. MarketsEurope MarketsChina MarketsAsia MarketsWorld MarketsCurrenciesPrediction MarketsCryptocurrencyFutures & CommoditiesBondsFunds & ETFsBusinessEconomyFinanceHealth & ScienceMediaReal EstateEnergyClimateTransportationInvestigationsIndustrialsRetailWealthSportsLifeSmall BusinessInvestingPersonal FinanceFintechFinancial AdvisorsOptions ActionETF StreetBuffett ArchiveEarningsTrader TalkTechCybersecurityAIEnterpriseInternetMediaMobileSocial MediaCNBC Disruptor 50Tech GuidePolitics & PolicyWhite HousePolicyDefenseCongressExpanding OpportunityEurope PoliticsChina PoliticsAsia PoliticsWorld PoliticsVideoLatest VideoFull EpisodesLivestreamTop VideoLive AudioEurope TVAsia TVCNBC PodcastsCEO InterviewsDigital OriginalsWatchlistInvesting ClubTrust PortfolioAnalysisTrade AlertsMeeting VideosHomestretchJim's ColumnsEducationSubscribePROPro NewsJosh BrownMike SantoliCalls of the DayMy PortfolioLivestreamFull EpisodesStock ScreenerMarket ForecastOptions InvestingChart InvestingSubscribeLivestreamMenuMake ItselectUSAINTLLivestreamSearch quotes, news & videosLivestreamWatchlistSIGN INCreate free accountMarketsBusinessInvestingTechPolitics & PolicyVideoWatchlistInvesting ClubPROLivestreamMenu (function() { const userMembershipOnLastVisit = localStorage.getItem("cnbcMeta__cachedUserMembership"); if (!userMembershipOnLastVisit) { // If no user membership is stored, user is likely not logged in. // These users will typically see the banner. return; } const { isPro, isInvestingClubUser } = JSON.parse(userMembershipOnLastVisit); if (!(isPro || isInvestingClubUser)) { // We’re rendering the top banner for users who are not pro or investing club members. return; } // Hide the banner for pro and investing club users. const style = document.createElement("style"); style.id = "top-banner-placeholder-style"; style.innerHTML = "[data-top-banner-placeholder] { display: none; }"; document.head.appendChild(style); })() TechA discarded SpaceX rocket is on a high-speed collision course with the moonPublished Fri, Jul 31 20261:35 PM EDTWATCH LIVEIn this articleSPCXFollow your favorite stocksCREATE FREE ACCOUNTA worker installs fencing at the SpaceX facility in Hawthorne on the day of the company's IPO, in Hawthorne, California, June 12, 2026. Mike Blake | ReutersA drifting SpaceX rocket is on a collision course with the moon after launching a pair of lunar landers more than a year ago.The rocket's upper stage will unintentionally slam into the moon on Wednesday, carving out a crater and sending up a plume of dust and rubble that scientists — and skygazers — are eager to observe.Space tracking expert Bill Gray predicts an impact of 5,400 mph (8,700 kph) — seven times the speed of sound — near Einstein Crater on the moon's sunlit western limb. With the action unfolding in the wee hours, the eastern portions of the U.S. and Canada, and much of South America should have the best views.While scientists are not too concerned about this particular piece of space junk, it highlights the growing threat as more and more items cram into orbit."Things are getting crowded up there," said Gray, who plans to view the aftermath from New Brunswick, Canada.It was never SpaceX's intent to hit the moon. But space experts said the crash could have been avoided if the upper stage had been nudged into orbit around the sun.It will be the second dead rocket known to crash into the moon accidentally. A Chinese rocket segment dug out a pair of craters on the lunar far side in 2022.Lucky for astronomers, the upcoming smashup will occur on the moon's near side, packing the equivalent energy of three tons of TNT.The impact flash, lasting less than a second, will probably be too dim to see, according to experts. But the str
分享
阅读原文