WHERE are the oceans? That’s the question everyone is asking after studying the latest images of Saturn’s largest moon, Titan.
The oceans and lakes scientists had been expecting to find would explain why 6 per cent of Titan’s atmosphere is methane. Methane could not have survived for much more than 10,000 years before being broken down by sunlight, so somewhere on Titan there must be a huge methane source that is constantly replenishing the atmosphere.
The most likely source seemed to be oceans of liquid ethane and other hydrocarbons from which the gas was produced, but so far images…
