shorelines articles
What is the scientific term for the possibility that Mars once hosted large bodies of liquid water?
Which region of Mars is hypothetically suggested as the location for the ancient ocean, sometimes referred to as *Oceanus Borealis*?
What primary surface features observed by orbital missions are cited as evidence for ancient Martian shorelines?
Confirming ancient shorelines helps scientists constrain what critical parameters regarding early Mars?
According to the geological markers table, which feature requires the strongest evidence of direct interaction with moving surface water?
Approximately how long ago is early Mars theorized to have possessed conditions capable of sustaining liquid water on its surface?
Which instrument's detailed imaging analysis has occasionally failed to corroborate expected geological signatures of ancient shorelines in targeted areas?
Sedimentary layers found in the geological record have been interpreted as deposits laid down by what coastal processes?
What characteristic feature would a large, deep ocean leave behind that catastrophic outflow floods would likely not produce consistently?
What complex geological process must scientists account for when modeling the true elevation of an ancient shoreline marker after the water disappeared?
What is the ancient Martian ocean sometimes referred to as?
Approximately how much lower is the northern hemisphere's elevation compared to the mean planetary elevation?
Which orbiters initially provided clues resembling coastlines in 1976?
What geophysical mechanism, modeled in 2007, could explain the undulating appearance of ancient Martian shorelines?
Which specific Chinese rover provided compelling in situ evidence of buried beach structures?
What was the depth range, in meters, where Zhurong's radar detected the dipping reflectors indicative of beaches?
What range of inclination angles characterized the dipping reflectors identified by the Zhurong rover?
What relative permittivity range found for the buried material effectively rules out lava flows as an origin?
What does the presence of sustained net progradation of the shoreline imply about the ancient water body?