Here’s the blueprint for a global fireball observatory – and why we need one

Originally published via The Conversation: Bright shooting stars are one of nature’s great wonders. Like the one in the main image, which was visible from Devon in the south-west of England in June, these fireballs are caused by space rocks hitting Earth’s atmosphere. The friction forces them to slow down, producing a tremendous amount of heat at the same time. If the rock is big […]