![An artist's impression of the Voyager 1 spacecraft entering interstellar space. Photo: Nasa](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/4UAP6AFAFJBEZKHSEDDJC67HEE.jpg?smart=true&auth=fe8241e33ff8d354da0eae65b1f8624f7a575396c6c125ae0ac30ff63aecb791&width=400&height=225)
An artist's impression of the Voyager 1 spacecraft entering interstellar space. Photo: Nasa
An artist's impression of the Voyager 1 spacecraft entering interstellar space. Photo: Nasa
Interstellar travel: From science fiction to reality
Humans may one day travel beyond the solar system on board rockets powered by nuclear fusion