As of 2014 , most theories did not expect planetary formation in such a young ( 100,000 - 1,000,000 - year - old ) system .
The new data spurred renewed theories of protoplanetary development .
As of 2014 , most theories did not expect planetary formation in such a young ( 100,000 - 1,000,000 - year - old ) system , so the new data spurred renewed theories of protoplanetary development .