It's been 45 years since Neil Armstrong, Buzz Aldrin and Michael Collins set off towards the moon, aiming to have Neil and Buzz set foot on the moon and be the first to do so.
It's been 43 years since humans were last on the moon. It's been 43 years since a human ever went further than low-earth orbit, which is actually a really long time. So what are the future plans of space exploration, with or without humans?
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