The marine archaeologist's work can be as detailed, painstaking, and slow - paced as that of terrestrial counterparts, so having a base near the site of a shipwreck would offer enormous advantages over repeated short - duration dives. (discovermagazine.com)
Some of those large molecules are like small sheets of graphite with hydrogen attached to them: we call these polycyclic aromatic hydrocarbons and they can be found in terrestrial counterparts like mothballs, for example. (astro-canada.ca)
A new study of Messenger's data suggests the waves are stronger than thought — two to three times the strength of their terrestrial counterparts — and occur 10 to 30 times more frequently too. (newscientist.com)