Erg (landform) when liquid methane rained and eroded the ice bedrock, possibly in the form of flash floods. Alternatively, the sand could also have come from organic solids produced by photochemical reactions in Titan's atmosphere. Erg (landform) An erg (also sand sea or dune sea, or sand sheet if it lacks dunes) is a broad, flat area of desert covered with wind-swept sand with little or no vegetative cover. The term takes its name from the Arabic word "ʿarq" (), meaning "dune field". Strictly speaking, an erg is defined as a desert area that contains more than of aeolian or wind-blown sand
What a Diff'rence a Day Made What a Diff'rence a Day Made "What a Diff'rence a Day Made", also recorded as "What a Diff'rence a Day Makes", is a popular song originally written in Spanish by María Grever, a Mexican songwriter, in 1934 with the title "Cuando vuelva a tu lado" ("When I Return to Your Side"). The song is also known in English as “What a Diff'rence a Day Makes”, as popularized by Dinah Washington. The English lyrics were written by Stanley Adams, and was played by Harry Roy & his Orchestra. It was published in late 1934. The most successful early recording, in 1934,