How old would a 11 year old be on Mercury?
On the planet- dead. On the liquid- dead. Yeesh, drinking mercury doesn't get you satisfaction. Join the Anti Idiot's Consumption of Mercury Organization. It has saved millions already.
Assuming it was possible to live on Mercury.......the period of revolution is 87.97 days
So.......assuming 365 days per year....and 11 -year-old would be
11 * 365 / 87.97 ≈ 45.6 years old [ in " Mercury" years ]
+139 
