NASA | Measuring Mars' Ancient Ocean

NASA Goddard · 937K views · 2015 · 3:57

Open on YouTube

Cosmology & astrophysicsother

Why the open web links it

Presents NASA research on evidence that Mars once had a vast ocean, using data to estimate how much water the planet has lost over time.

Linked by 5 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including aljazeera.net, iter.org, cnyo.org, deusexisteumdesafio.com, iastro.pt.

Cited in 1 Wikipedia article, including Water on Mars.