When the International Space Station plunges to its fiery doom in 2030, its loss to science will be incalculable, even if it ...
Since their arrival, there have always been people on the ISS, a continuous presence that is by far the longest in the history of spaceflight. NASA had planned to celebrate 25 years of humans on the ...
The comet's green glow is caused by fluorescence of diatomic carbon (C2) when exposed to ultraviolet sunlight, not reflection.
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