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.
From there, a fantastical, saucy and soul searching tale unfolds. Rick Springfield, yes, the musician Rick Springfield, is the author behind this whirlwind of a tale. You may remember Rick as Dr. Noah Drake from the soap opera General Hospital, or maybe this song rings a bell. (SOUNDBITE OF SONG, JESSIE'S GIRL). RICK SPRINGFIELD: (Singing) You know I wish that I had Jesse's girl. I wish that I had Jesse's girl.