Astronomers have puzzled over the moon's structure since well before any probes landed there
surface
"Apparently somebody in the calculations made a mistake in the very beginning and nobody paid attention to review the calculations"
It is only the second ever discovered in Greenland
Within the habitable, or "Goldilocks" zone, temperatures are not too hot or too cold but just right for surface water to exist as a liquid
“Ass” paintings...a new genre?