 ከዚያ በኋላ በዓለም ዙሪያ ባሉ የሥነ ፈለክ ተመራማሪዎች ተጨማሪ ጥናቶች ርእስ (Izotov, Guseva, and Thuan 2011; Chakraborti et al.
Kenako, iwo akhala nkhani mudziwe zambiri ndi asayansi padziko lonse (Izotov, Guseva, and Thuan 2011; Chakraborti et al. 2012; Hawley 2012; Amorín et al. 2012).