NASA’s Voyager 1 spacecraft is nearing the edge of our solar system. The agency announced that it will “take about four more years before Voyager 1 completely exits the solar system and enters interstellar space.” Videos after the break. Click here for more pictures of Voyager 1 and the amazing images of space it has captured.

NASA said Monday that recent readings show the solar wind has slowed to zero, meaning the spacecraft is getting ever closer to the solar system’s edge.

[via MercuryNewsNASA]