Voyager 2 takes its big step

The space probe's current mission is to fly by the Kuiper Belt

The rings of Saturn, as observed by the Voyager 2 spacecraft, August 1981. (Photo by Space Frontiers/Hulton Archive/Getty Images)

The journey of this species of ours to the stars took another big step as Voyager 2 finally entered interstellar space, 41 years after it was launched.

Despite the name, it was actually the first of the Voyager missions sent into space. The name for the probes was chosen from a public vote, which means it if happened today it would probably Probey McProbeface.

Launched 16 days before its somewhat more famous sibling, ...