The two landers were identical, so the same tests were carried out at two places on Mars' surface; Viking 1 near the equator and Viking 2 further north.
Wi nisin əinuzuzuba aqalnen ayolahan, iruman iyadǎɣ aqalan atiwagan dǎɣ əsin dagan dǎɣ taryare tan Mars : Viking 1 daw ahazan ən tizune nakal əd Viking 2 dǎɣ ogaran dǎɣ ataram.