Complex sentence: Since 2014, Cassini has detected transient features in scattered patches in Kraken Mare, Ligeia Mare and Punga Mare which may be shallow capillary waves (ripples) moving at about 0.7 meters per second and at heights of about 1.5 centimeters.
Split into simpler sentences: Since 2014, Cassini has detected transient features in scattered patches in Kraken Mare, Ligeia Mare and Punga Mare. An alternative explanation is the transient features may be shallow capillary waves (ripples) moving at about 0.7 meters per second and at heights of about 1.5 centimeters.