What is the cylinder on the Martian surface in this image taken by the Viking 2 lander?

viking 2 image with cylinder

It stands out in most images of the martian surface, including https://en.wikipedia.org/wiki/Viking_2#/media/File:Viking_Lander_2_Camera_1_NOON_HIGH_RESOLUTION_COLOR_MOSAIC.jpg

  • $\begingroup$ Test sample? Engine Bell? landing tank? Good question @foobarbecue $\endgroup$ Aug 20 at 6:13

1 Answer 1


It is a protective shroud for the surface sampler instrument, which was ejected after landing.


Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct.

Not the answer you're looking for? Browse other questions tagged or ask your own question.