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 Love Is Made Of it in "Little Red" (2014). Upon its release, "What Love Is Made Of" received generally favorable reviews from contemporary music journalists, who favored the composition and Katy's distinctive vocal performance. It peaked at number 21 on the UK Singles Chart, and entered three other charts, reaching the top 40. To promote the song, Katy performed it live at the BBC Radio 1Xtra Live special and at her headline set during the Wireless Festival. Emil Nava also filmed and directed a music video for the song which was deemed similar to film series "The Fast and the Furious". In April 2011,