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Countdown Begins for the Launch of Indian Rocket Carrying 3 Singapore Satellites on Thursday - Photo_我的网站
A | The 25-hour-long countdown for the launch of India's Polar Satellite Launch Vehicle (PSLV), carrying three Singapore satellites on Thursday, is set to begin on Wednesday at 5 p.m. (IST).,While the two satellites, the 365 kg DS-EO and 155 kg NeuSAR, have been built by Starec Initiative of South Korea, the third one, 2.8 kg Scoob-1, was manufactured by Nanyang Technological University (NTU) in Singapore.,According to India's space agency, the Indian Space Research Organization (ISRO), the PSLV-C53 rocket is expected to blast off from the second launch pad at the Sriharikota rocket port in India's Andhra Pradesh state at 6 p.m. on June 30.,© Photo : Twitter/@isroIndian rocket Polar Satellite Launch Vehicle (PSLV), carrying three Singapore satellites, at the Spaceport of India.Indian rocket Polar Satellite Launch Vehicle (PSLV), carrying three Singapore satellites, at the Spaceport of India.© Photo : Twitter/@isro,The ISRO will use the rocket's fourth and final stage as an orbital platform for six payloads, including two from Indian space start-ups -- Digantara and Dhruva Aerospace.The Indian space agency has PSLV variants with two and four strap-on motors and the larger PSLV-XL.。
B | 该公司在网站上介绍说，火箭在发射后不久出现故障，太空舱逃生系统成功启动，将没有载人的太空舱与火箭分离。随后火箭坠毁于地面，太空舱打开降落伞落回地面，没有人员伤亡。据介绍，蓝色起源公司自2012年起对“新谢泼德”飞行器及其安全系统进行飞行测试，这是“新谢泼德”飞行器第23次太空试飞。“新谢泼德”飞行器的设计目标是将宇航员和科研载荷送入太空，其飞行高度可达约107千米，超过距地表约100千米的“卡门线”，这是国际航天界定义的地球大气层与太空的边界。蓝色起源公司表示，在此次试飞前，“新谢泼德”飞行器已连续成功完成22次飞行测试，其中包括3次逃生测试，表明飞船的逃生系统能够在飞行任何阶段安全启动。
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