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.
Mamie Gummer, Husband Benjamin Walker Split. Mamie Gummer and Ben Walker have broken up. Mamie Gummer's marriage is ending. The Side Effects actress -- and Meryl Streep's daughter -- has split with husband Benjamin Walker, reps for both stars confirm exclusively to Us Weekly. It's very amicable, Gummer's rep tells Us. Adds another insider: [The split] is very new..