Ice plays an important role in the swelling of small celestial bodies into massive planets
How planets form is a question that has long vexed the world's astronomers. In recent years, the so-called pebble theory - where tiny gravel particles are sucked together - has gained ground. A new paper shows that ice plays a crucial role in allowing these celestial bodies to reach a certain size where they can continue to grow to planetary size. Just over 4.6 billion years ago, our planetary sys
https://www.fysik.lu.se/en/article/ice-plays-important-role-swelling-small-celestial-bodies-massive-planets - 2025-12-09
