Timing of the formation and migration of giant planets as constrained by CB chondrites Johnson, B. C. ; Walsh, K. J. ; Minton, D. A. ; Krot, A. N. ; Levison, H. F. Abstract Publication: Science Advances Pub Date: December 2016 DOI: 10.1126/sciadv.1601658 Bibcode: 2016SciA....2E1658J