6 space missions to look forward to in 2021
From new missions to Mars to the start of the Artemis program that will return humans to the Moon, here's 6 space missions to look out for in 2021.
I completed my PhD in 2010 looking at the interaction of the Sun with the upper atmosphere of Venus. Since then I have held six postdoctoral contracts, covering medical imaging, solar physics, the Earth's radiation belts, lightning in tropical cyclones, X-ray astronomy, and X-ray observations of the Earth's magnetopause.
From new missions to Mars to the start of the Artemis program that will return humans to the Moon, here's 6 space missions to look out for in 2021.
在人类首次登月后的半个世纪,许多私营企业与国家开始计划在月球表面建立永久基地。自阿波罗时代以来技术不断进步,但建立永久基地仍极具挑战性。那么该如何开始呢? 月球表面环境十分极端。月球有28天自转周期,这导致在大多数纬度地区,会先出现连续两周的极昼现象,紧接着是同样长达两周的极夜现象。由于月球缺少可以散发太阳热量的大气层,白天的最高气温可达130°C。同时,夜间最低温...
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