Young Jupiter was smacked head-on by massive newborn planet

A colossal, head-on collision between Jupiter and a still-forming planet in the early solar system, about 4.5 billion years ago, could explain surprising readings from NASA’s Juno spacecraft, according to a study this week in the journal Nature. Source: https://phys.org/news/2019-08-young-jupiter-smacked-head-on-massive.html…