Makudang genah ring Bumi, sekadi Pilbara ring Australia Barat miwah Lembah Kering McMurdo ring Antartika, jtaler kasengguh pianaka analog geologis antuk genah Mars, miwah kadi punika teler  antuk punika, minab pacang ngicén indik tata cara ngrereh kahuripan saking masa lalu ring Mars.
Some regions on Earth, such as the Pilbara in Western Australia and the McMurdo Dry Valleys of Antarctica, are also considered to be geological analogs to regions of Mars, and as such, might be able to provide clues on how to search for past life on Mars.