Atomic Oxygen Found On Mars! What Does It Mean? When an oxygen atom exists as itself, chemists call it atomic oxygen. But why should we be so excited to find this in Mars’ atmosphere? Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts Inside the International Hunt for the Ghost Particle How Many Holes Does a Human Have? Why Is It So Hard to Build an ICBM? The Explosion that Transformed Astronomy Why do taxpayers pay billions for football stadiums? What is metallic glass?