NASA will create colorful artificial clouds in the sky in order to study the Earth's ionosphere. They will launch canisters filled with vapor and chemicals that are expected to react when they come in contact with sunlight.
Auroras were photographed on the surface of Uranus. The giant ice planet produces a light show similar to Earth's Northern lights.
A powerful solar storm hitting the Earth's magnetic sphere brightens up the night sky, producing stunning auroras that reached as far south as continental United States.