It is not "just a different way". There's no reason to assume impact melting from the surface is the only source of carbon in Titan's ocean. The authors of the

It is not "just a different way". There's no reason to assume impact melting from the surface is the only source of carbon in Titan's ocean. The authors of the study seem clear on this. I don't know why you feel the need to stand up for phys.org on this, or why you think the Sahara is relevant.