It's called "Humanity Star", and it's supposed to remind us of our puny place in the universe. Barely brighter than other chunks of metal we've put in space, and with an achingly short six-month lifespan, the giant "disco ball" is more of a publicity stunt than anything else.
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Predicting the future is near impossible -- but that doesn‘t stop us all from having a red hot go. Human beings have been predicting the future since the beginning of history and the results range from the hilarious to the downright uncanny.
One thing all future predictions have in common: they‘re rooted in our current understanding of how the world works. It‘s difficult to escape that mindset. We have no idea how technology will evolve, so our ideas are connected to the technology of today.