... the team, suggest that a substantial mass of small planetesimals (that are kilometres in size) was present in the solar nebula at one million years and that these smaller objects would be the smashed up remnants of large primordial planetesimals...
... of hydrogen and helium that are in line with what is expected from the theoretical composition of the primordial solar nebula. But like Saturn, the two have a significantly higher amount of carbon (relative to hydrogen) in their atmospheres, when...
...and took measurements to show the relatively weak field of the solar wind and the very strong magnetic disturbances caused by the ... from the formation of the Solar System, but also how they helped the proto-solar nebula that we evolved from, develop...