Most people are familiar with what lightning looks like when it strikes the ground, but, as NASA notes, “The most powerful activity occurs high above the surface, in Earth’s upper atmosphere.”
Most people are familiar with what lightning looks like when it strikes the ground, but, as NASA notes, “The most powerful activity occurs high above the surface, in Earth’s upper atmosphere.”
While ESA’s satellite INTEGRAL was observing the sky, it spotted a burst of gamma-rays - high-energy photons - coming from the..