Knowledge Tree
Relations (1)
cross_type 2.00 — strongly supporting 2 facts
Mars is historically and geologically linked to liquid water, which served as an agent of erosion [1] and was present on the surface in the past [2]. Furthermore, the presence of liquid water on Mars is a key factor in scientific theories regarding the planet's potential to have supported independent life [3].
Facts (2)
Sources
(PDF) Reconsidering the Theological and Ethical Implications of ... academia.edu 1 fact
referenceM. H. Carr's book 'The Surface of Mars' establishes that while other liquids have been suggested, there is broad scientific agreement that liquid water was the agent of erosion on Mars.
Read "Review and Assessment of Planetary Protection Policy ... nap.nationalacademies.org 1 fact
claimMars had large amounts of liquid water on its surface in the past, and currently contains water locked in ice at or near the surface, with the possibility of liquid water existing underground.