Answer to this question only if you have watched the movie "Contact" made in 1997 based on a novel by Carl Sagan.
They build there, following the instructions they get from space aliens, "the Machine", a kind of device based on huge metallic rings who rotate very quickly and distort space-time opening a wormhole to the destination planet where aliens live. Is this possible for real, to build a machine who distorts space-time by using very quickly rotation and which opens a wormhole to Gliese 581 d?
They build there, following the instructions they get from space aliens, "the Machine", a kind of device based on huge metallic rings who rotate very quickly and distort space-time opening a wormhole to the destination planet where aliens live. Is this possible for real, to build a machine who distorts space-time by using very quickly rotation and which opens a wormhole to Gliese 581 d?