From downtown Cape Town, cable cars ascend the hulking mass of Table Mountain, which looms above the city and sometimes disappears into the cloud covering, known locally as the tablecloth.

BBC: Cape Town��s outdoor adventures

After analysing an unusual but temporary increase in Titan's brightness, Dr Griffith concluded that the most likely explanation was the presence of a thick, reflective cloud, covering roughly 9% of the part of Titan's surface then visible from earth.

ECONOMIST: Comparative meteorology