Like the Viking probes, Curiosity uses the heat from natural decay, not fission. It's a much more foolproof system than a reactor, but it only generates 110W, m

Like the Viking probes, Curiosity uses the heat from natural decay, not fission. It's a much more foolproof system than a reactor, but it only generates 110W, meaning it needs batteries to handle bursts of demand over 110W.