mars 4dShell has acquired two OBS (Ocean Bottom Seismometer) survey in the Mars basin: one in 2007 and the other in 2010. The purpose of these surveys was both illuminations of deep sub‐salt- Mars 4D di ∙ Promo Pengguna Baru ∙ Cicilan 0% ∙ Kurir Instan. Beli BALON PLANET 4D BALON FOIL PLANET BUMI BULAN MERKURIUS MARS GLORIES SWALAYAN LUAR