For the second time in history, man-made objects reached the space between the stars. NASA's Voyager 2 detector has now exited the heliosphere - a protective bubble of particles and magnetic fields produced by the sun.
For the second time in history, man-made objects reached the space between the stars. NASA's Voyager 2 detector has now exited the heliosphere - a protective bubble of particles and magnetic fields produced by the sun.