There are less than 12 hours left before the oxygen in the missing Titanic tourist submarine, Titan. Now, rescuers have heard banging noises from the vicinity.
A tourist submarine heading for the Titanic is now missing off Canada and rescuers are now racing to find and rescue its passengers. So, who are the people inside?
The Saturn moon Titan is one of the most peculiar places in the solar system as it is the only planetoid besides earth to be carrying stable bodies of liquid on its surface - although that liquid is comprised of methane and ethane.