Comets — those small, icy objects orbiting the sun — act like floating time capsules, offering a window into the early days of our solar system's formation and holding clues about the origins of life ...
About 4.6 billion years ago, the Solar System formed from a cloud of dust and gas collapsing in on itself due to gravity. The Sun, planets, and eventually Earth formed out of the cloud. But when did ...
Realising that our solar system isn’t like most others out there has helped astronomers rewrite the story of how it formed ...