The balloon will float until the density of its gas equals the density of the surrounding air. The density of the air decreases as altitude increases; because of gravity; gas molecules are more sparse at higher elevations. The air is thinner at high altitudes.
The latest big moment came when he landed the part of Meryl Streepâs bandmate and lover in director Jonathan Demmeâs new film, Ricki and the Flash, which opens Friday (Aug. 7). Meryl Streep Covers Gaga, Springsteen, Petty for New Film, 'Ricki and the Flash'. And it almost didnât happen.
Rockabye (song) Rockabye is a song by British electronic group Clean Bandit, featuring Jamaican dancehall singer Sean Paul and British singer Anne-Marie. It was released on 21 October 2016 and was their first single since Neil Amin-Smith's departure from the group. The song is about hardships of single mothers and alludes to the nursery rhyme, Rock-a-bye Baby.