While they fly around the far side of the Moon, the crew will have three hours dedicated to lunar observation - to gaze, take images and to study its geology, which will help plan and prepare for a future landing at the Moon's south pole.
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Current X-ray lasers require facilities that are kilometres long. A cavity-based set-up about 66 metres in length has been developed that uses highly reflective mirrors to enable the generation of high-intensity pulses of narrow-band X-ray radiation. This promises to overcome the limitations of current X-ray lasers.，更多细节参见夫子
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Фото: Andrey Titov / Global Look Press