UFO-Plasma Ball or Meteorite explodes above Melbourne, Australia? - Apr 16, 2013 Wednesday, April 17, 2013 Get link Facebook X Pinterest Email Other Apps A strange object at high altitude filmed above Melbourne, Australia on April 16, 2013. It seems as if the object changes shape or even explodes. Is it possible that the object is a plasma ball, orb, sphere or maybe a small meteorite?