Obodo Solarsystem

Valcano na Mars

Ị ma na ugwu ọkụ kachasị na sistemụ anyanwụ adịghị na ụwa, kama ọ dị na Mars? A na-akpọ ya Olympus Mons, ma ọ bụ ugwu ọkụ nke na-anọgide na 13.6 maịl (22 kilomita) elu. Iji mee ka nke a doo anya, ọ bụ ihe dị ka ugboro atọ nke elu ugwu Everest, ugwu kachasị elu na ụwa. Olympus Mons nwekwara nnukwu…gụkwuo