Test your knowledge: What do each of the following grouped elements have in common? Group 1: Numbers, Shapes, Sounds, Darkness, Energy, Death.. Hint: Voyager 1 and Voyager 2 missions Group 2: Air, Ether, Earth, Fire, Water Hint: somewhere inside the milkyway galaxy First correct answer gets 5k airtime or cash equivalent. #testyourknowledge #myngul