LOCATION@1 's core is thought to be approximately NUMBER@1 times the mass of Earth -LRB- NUMBER@2 % of LOCATION@2 dunn 's total mass -RRB- , and the exoplanet HD NUMBER@3 b is thought to have a core approximately NUMBER@4 times the mass of LOCATION@3 .

LOCATION@1 's core is estimated to be NUMBER@1 times the mass of the LOCATION@3 's .
