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.
Meryl Streep Discusses Musical Training, Accessorizing For 'Florence Foster Jenkins' Meryl Streep has been preparing for decades for her latest role as Florence Foster Jenkins, a patron of the arts in New York who fancied herself an opera singer and died shortly after giving a solo recital at Carnegie Hall in 1944.