Tag Archives: Heliopause

Beyond the solar system

It's a piece of news that doesn't deserve to vanish into oblivion: Voyager has moved on to interstellar space. No more solar system, and the heliosphere sheath has been cracked. That's at a distance of over 18,7 trillion kilometers (125 astronomical units) – an impressive radius, for earth standards! Even light from the sun itself… Read More »