中学生有关“天宫一号”感想作文600字

1、中学生有关“天宫一号”感想作文600字根据中国载人航天工程网的消息，中国未来的空间站的名称叫“天宫”。这是一个具有浓郁中国特色、寄托了华人无限憧憬的名字。根据规划，中国将在2011年发射“天宫”一号目标飞行器。“天宫”一号实际上是空间实验室的实验版，采用两舱构型，分别为实验舱和资源舱。之后，再发射“神舟八号”。“神八”是一艘无人的神舟飞船，与“天宫”一号进行无人自动对接试验。2015年前，再陆续发射“天宫”二号、“天宫”三号两个空间实验室。 “天宫”二号将主要开展地球观测和空间地球系统科学、空间应用新技术、空间技术和航天医学等领域的应用和试验。“天宫”三号将主要完成验证再生生保关键技术试验、航

2、天员中1期在轨驻留、货运飞船在轨试验等，还将开展部分空间科学和航天医学试验。我国目前在研的空间实验室采用两舱结构，分别为实验舱和资源舱。实验舱可保证舱压、温湿度、气体成分等航天员生存条件，可用于航天员驻留期间在轨工作和生活，密封的后锥段安装再生生保等设备。实验舱前端安装一个对接机构，以及交会对接测量和通信设备，用于支持与飞船实现交会对接。资源舱为轨道机动提供动力，为飞行提供能源。建设实现空间站的关键技术是“空间交会对接”。两个或两个以上的航天器通过轨道参数的协调，在同一时间到达太空同一位置的过程称为交会。对接是在交会的基础上，通过专门的对接机构将两个航天器连接成一个整体。实现两个航天器在太空交

3、会对接的系统，称为交会对接系统。空间交会对接技术难度很大，因为空间实验室体积都比较大，发射空间 实验室的时候是不装人的，人是后来通过航天飞机或者飞船送上去的。人要进入到空间实验室，航天飞机或飞船就必须和空间实验室对接起来。这个难度很大，在太空中的空间实验室和航天飞机都是高速运行的，时速到达28000公里以上，在对接过程中，如果计算不准，就可能发生飞船相撞事故。空间交会对接控制方法有两种，一种是人工控制、另一种是自动控制。用人工控制来完成太空交会对接可以提高交会对接的成功率。自动控制交会对接可靠性高，不需考虑人员的安全和救生问题。在航天器的交会对接技术方面，未来的发展趋势是人工控制和自动控制相结

4、合，以提高交会对接的灵活性、可靠性和成功率。目前我国的火箭最大运载能力只有10吨，不仅无法将体积更大、重量更重的空间实验室发射升空，也满足不了空间实验室在运行期间所需大量物资的运输要求。在后续的发射中，将采用新一代大推力长征5号火箭。长征5号火箭的运载能力可达25吨，基本与国际上的顶级水平相当，可以满足在低轨道发射空间实验室的需要。人类目前载人航天活动的终极目的，是将实验室搬上太空，利用太空微重力高真空的独特环境，开展地面无法进行的生命科学、材料科学等实验，从而为人类造福。太空生命科学试验不仅可以进行植物育种、发明新的药物，而且在半导体、特种材料、天文学、对地观测等方面的好处更是不一而足。因此

5、，以神七为起点的空间站建设，将为科学研究带来更大的舞台。qcwa3ptgz7r4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgshls50clmtwn60eo8wgqv7xav2ohum32wgeauwydiawgmer4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgz7r4i30ka1dkagtgkqcwa3p tgz7r4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgshls50clmtwn60eo8wgqv7xav2ohum32wge

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