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.
In the stage show Fame, though other actors are mentioned in song lyrics, she is the only actress to have her name in a song title. The song is called Think of Meryl Streep and takes place after Carmen kisses Nick when he asks her how she relaxes, and Serena (who wants Nick for herself) sees them.