https://www.***/r/SpaceXLounge/comments/a57tns/sls_development_costs_vs_falcon_9_launch_prices/ 成本2: 猎鹰重型成本分析 http://www.cmse.gov.cn/dmt/cbw/zrhtndbg/202004/W020200427618779201592.pdf 成本3:载人航天成本对比 https://www.cnbc.com/2019/11/19/nasa-cost-to-fly-astronauts-with-sp...
原标题:Elon Musk rips Boeing’s $90 million space trips as cost tops SpaceX’s 网易科技讯11月17日消息,据外媒报道,NASA近日发布报告,称波音送宇航员去空间站成本比SpaceX高60%,但是却获得了NASA更多的补贴,对此马斯克在推特上表示:“这似乎不合理,做同样的事情波音可以拿更多,不公平。” 波音和SpaceX公...
NASA vs SpaceX - what's the difference? The conquest of space is a great feat, given that in the entire history of mankind only three countries sent a person into space. Now the interest of states and private companies in space programs is growing, which means that missions like the moon...
“And while NASA has not released per-flight estimates of the expendable SLS rocket's cost, conservative estimates peg it at $1.5 to $2.5 billion per launch. ” - 尽管美国宇航局尚未发布对每次消耗性SLS火箭发射成本的估计,但保守估计每次发射的价格为15至25亿美元。 来自iPhone客户端6楼2018-08-25...
这段时间里，美国总统换了两届，NASA负责人也因此轮换数任，SpaceX从野蛮人变成了行业灯塔，商业航天格局转变。而波音，人们更记得的是两架737 MAX飞机因软件问题坠毁，让其陷入深深的泥潭。波音在Starliner一步一步落后，是一场从指标、成本、内部体制的全方面落败。这个过程也构成了SpaceX故事的B面，让我们可以从...
Dave Mosher
Reusable rocket and spacecraft technology is the backbone upon which SpaceX builds its cost estimates, which tend to be lower than those of its competitors. For example, the per-seat cost for SpaceX's Crew Dragon is around $55 million, NASA's Office of the Inspector General said in 2019...
A SpaceX Falcon 9 rocket, with the Crew Dragon capsule, is launched carrying four astronauts on a NASA commercial crew mission to the International Space Station at Kennedy Space Center in Cape Canaveral, Florida, U.S., April 22, 2021. REUTERS/Thom Baur (Reuters) - N...
《Reentry》尚未发行中译本,本文为第十章《The Cost of Mars》节选内容的试译。 SpaceX成立之初,马斯克就一直在谈论火星。 2002年,SpaceX现任总裁、COO格温·肖特维尔Gwynne Shotwell第一次与马斯克见面时,他热情洋溢讲述在这颗红色星球上定居的愿景。 肖特维尔说,他谈到火星,他的火星绿洲项目,他想做火星绿洲项目,...
美国国家航空航天局NASA的阿波罗太空计划,需要40万人与全国预算的5%,一次只能让两人登上月球。 马斯克提出一个运输系统,他直到几年后,才确定星舰这个名称,一次可以将100人运往火星。 马斯克试图回答为什么要去火星,为什么SpaceX、为什么NASA、为什么人类,要投入时间、资金、辛勤劳动,来建造一支飞船舰队,并定居火星。