N'agbanyeghị na ọ dị obere ma na-agba ọsọ ọsọ ruo ụbọchị 59, Mercury nwere ihe dị ịrịba ama, na o doro anya na ụwa dum, magnetik ubi. Dị ka mmụba ndị a mere site Mariner 10, ọ bụ ihe dịka 1.1% nke ike nke ụwa. Ike magnetik-ubi na Mercury's equator bụ ihe dịka 300 nT. Dị ka nke ụwa, Mercury's magnetic field is dipolar. N'adịghị ka Earth's, Mercury's poles are almost aligned with the planet's spin axis. Ihe ndị si na Mariner 10 na MESSENGER space probes egosiwo na ike na ọdịdị nke magnetic field bụ nke kwụsiri ike. O yikarịrị ka magnetik a na-emepụta site na dynamo, nke yiri nke magnetik nke ụwa. Nke a ga-esi na ike nke magnetik nke mbara ala na-agagharị na mbara igwe site na mbara igwe.
Onye na-anya ụgbọ mmiri 10