space starts at 100 kilometers edge of space original article des bordures de l'atmosphère terrestre extérieure the fringes of our planet’s outer atmosphere the fringes of our planet’s outer atmosphere edge of space http://www.businessinsider.com/where-does-space-begin-2016-7 the fringes of our planet’s outer atmosphere space officially begins the fringes of our planet’s outer atmosphere the fringes of our planet’s outer atmosphere the fringes of our planet’s outer atmosphere