首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
While scientists are searching the cause of the Columbia disaster, NASA is moving ahead with plans to develop a new craft that w
While scientists are searching the cause of the Columbia disaster, NASA is moving ahead with plans to develop a new craft that w
admin
2010-10-14
26
问题
While scientists are searching the cause of the Columbia disaster, NASA is moving ahead with plans to develop a new craft that would replace shuttles on space station missions by 2021 and respond quickly to space station emergencies.
The space agency released the first set of mission needs and requirements several days ago for the orbital space plane, which would be designed to transport a crew of four to and from the International Space Station.
Although it includes few specifics, the plan stipulates the orbiter will be saver, cheaper and require less preparation time than the shuttle. It would be able to transport four crew members by 2021 though it would be available for rescue missions by 2010. NASA says the craft should be able to trans port injured or ill space station crew members to "definitive medical care" within 24 hours.
The release of the requirements NASA remains focused on the long-term priorities of space exploration, e ven as questions linger concerning the loss of Columbia and its seven-member crew on February 1,2003.
Experts at Marshall Space Flight Center in Huntsville, Alabama, have been working for years on a successor to the shuttle. The project, known as the Space Launch Initiative, was divided last year into two parts-one focusing on a future launch vehicle, the other on a space station orbiter. The orbiter is expected to be ready sooner.
The program’s managers say NASA officials have told them not to alter Space Launch Initiative in light of the Columbia disaster.
U.S. President George W. Bush asked Congress for about US $1 billion for Space Launch Initiative in 2004, funds that would be almost equally split between the Orbital Space Plane and Next Generation Launch Technology.
What did the Marshall Space Flight centre focus on?
选项
答案
On a successor to the shuttle.
解析
转载请注明原文地址:https://kaotiyun.com/show/CBy7777K
0
大学英语四级
相关试题推荐
Engineeringstudentsaresupposedtobeexamplesofpracticalityandrationality,butwhenitcomestomycollegeeducationIam
Darwin’sgreatwork,theoriginofSpecies,isnowgenerallyacceptedasoneofthemostimportantbookseverwritten.Butwhen
Manystudentsfindtheexperienceofattendinguniversitylecturestobeareallyconfusingandfrustratingexperience.Thelect
A、Hemustaskfortheagreementofthelandlord.B、Hemustcollecttheentireluggageinthehouse.C、Hemusthaveadiscussion
ToachievesuccessinhightechSiliconValley,AlanAertsusedlowtechskillsandhardwork.Hecarriedboxesofproducefora
Statusisanesteemneedandregardlessofwherewefallontheeconomicladder,weallstrivetoachievestatusbeforewecanm
Theoldfashionedgeneralstoreisfastdisappearing.Thisis,perhaps,apity,becauseshoppingtodayseemstolackthatperson
Forthispart,youareallowed30minutestowriteashortessayentitledEnglishCorners.Youshouldwriteatleast120wordsf
Whilemostarmiesintheworldshuntheiruse,andmilitaryauthoritiesexcludethemfromwarfare,thetechnologytoproducebio
Today’spolicemeninlargecitiesthroughouttheworld【C1】______onmodeminventionstohelpthemintheirwork.Inmostplacesm
随机试题
半夏厚朴汤的组成除半夏、厚朴外,还含有的药物是()(2009年第53题)
关于横断面上中央沟的叙述,错误的是
中央型骨髓炎死骨切除术应在急性炎症后
舒肝片具有
办公楼建筑基地覆盖率一般应为:
根据下列小题的具体要求,进行凭证的相关操作。审核记账凭证。审核所有付款凭证。
科目一经使用,即已经输入凭证后,则不允许删除该科目或增加同级科目。()
A注册会计师担任X公司2009年度财务报表审计业务的项目负责人。根据审计计划的要求,需要对销售业务的内部控制实施属性抽样,并对应收账款的存在认定实施变量抽样。在样本设计与样本选取阶段,A注册会计师遇到以下问题,请代为做出正确的决策。在确定属性抽样及变量
备课环节是上好课的先决条件,备课时教师应把全部精力放在钻研教材上。
DealingwithCriticismA)Noonelikesgettingcriticism.Butitcanbeachancetoshowoffarareskill:takingnegativefeedba
最新回复
(
0
)