The giant outer planets haven’t always been in their current position. Uranus and Neptune for example are thought to have wandered through the outer Solar System to their current orbital position. On the way, they accumulated icy, comet-like objects. A new piece of research suggests as many as three kilomerer-sized objects crashed into them every …



The post When Uranus and Neptune Migrated, Three Icy Objects Were Crashing Into Them Every Hour! appeared first on Universe Today.



Source: When Uranus and Neptune Migrated, Three Icy Objects Were Crashing Into Them Every Hour!