In 1976,the Viking 1 orbiter imaged what appeared to be a humanlike face on Mars.Mars Global Surveyor did not image the same features in 1998.Which do we believe did NOT contributed to this difference?

Question

Quizplus · Accepted Answer

The washing away of some of the original feature by running water could not have contributed to the difference as there is no evidence of running water on Mars. Therefore, the correct answer is B. A different camera angle and improved camera technology could have contributed to the difference in the images, while the eroding away of some of the original feature by winds is a natural process that occurs on Mars.

In 1976,the Viking 1 Orbiter Imaged What Appeared to Be