Cosmic dust parachutes to Earth by bubble -- and that finding could change our understanding of the solar system

Cosmic dust is exactly what it sounds like — dust in outer space. Most particlesare tiny, between a fewmolecules to 0.1 micrometersin size.Sometimes, they make it through the Earth's atmospherein one piece, revealing some mysteries to astronomers about the earliest events in thesolar system. New research has shown some cosmic dust particles use bubbles as parachutes when they enter our atmosphere, and this prevents them from burning up.Dr Matthew Genge from Imperial College London found that c...