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.
It was a gradual kind of discovery (that I was doing the singing). Deborah Kerr, herself, gave me some credit right away on 'The King & I.' By the time I was doing 'West Side Story' a few years later, everyone was questioning that Natalie Wood could sing that well. By the time I did 'My Fair Lady,' I didn't have to say anything. You weren't 'in' if you didn't know it was me.. Hollywood also kept it a secret that '40s movie goddess Rita Hayworth didn't do her own singing. She may have been Fred Astaire's favorite dance partner, her singing voice was less than satisfactory.