SpaceX团队完成人类首次载人环绕地球两极飞行任务
SpaceX团队完成人类首次载人围绕地球两极飞行任务，4名宇航员搭乘龙飞船成功降落太平洋。此次任务于上月底从佛罗里达发射升空，历时约4天，宇航员在430公里高空轨道观察探索地球两极。
期间团队开展22项科学实验，包括首次在太空拍摄人体X光图像和尝试种植蘑菇，并通过可穿戴设备监测宇航员健康数据，研究微重力环境对人体影响。
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The SSE was the first modern stock exchange to open in China, with trading commencing in 1990. It has now grown to become the largest stock exchange in Asia and the third-largest in the world by market capitalization, which stood at RMB 50.6 trillion (US$7.8 trillion) as of September 2021. Stocks (both A-shares and B-shares), bonds, funds, and derivatives are traded on the exchange. The SEE has two trading boards, the Main Board and the Science and Technology Innovation Board, the latter more commonly known as the STAR Market. The Main Board mainly hosts large, well-established Chinese companies and lists both A-shares and B-shares.
The cloud-based messaging platform is also adding Anonymous Group Admins feature. As per Telegram, this feature is being introduced for safer protests. As per the Telegram blog post, users can “Toggle Remain Anonymous in Admin rights to enable Batman mode. The anonymized admin will be hidden in the list of group members, and their messages in the chat will be signed with the group name, similar to channel posts.”
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