In science fiction shows like Star Trek, spacefarers can leap from planet to planet as fast as they can change a T-shirt. But star hopping is going to take a lot longer in "real life," assuming it's possible at all.
To find out, the...
In science fiction shows like Star Trek, spacefarers can leap from planet to planet as fast as they can change a T-shirt. But star hopping is going to take a lot longer in "real life," assuming it's possible at all.
To find out, the...