Booms, Busts, and Recoveries Message Board

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Strategies & Market Trends : Booms, Busts, and Recoveries

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To: Ilaine who wrote (7798)	8/27/2001 5:36:35 AM
From: ig	Read Replies (1) of 74559

Larger satellites experience more atmospheric drag. A large satellite -- especially one with great solar panel "wings" -- in low earth orbit where the atmosphere is thicker, without the help of thrusters to restore its steadily decreasing velocity caused by atmospheric drag and subtle pressures of solar radiation, WILL come down sooner rather than later. The larger and lower they are, the sooner they fall. The smaller and higher sats don't need much help. Vanguard I, the size of a grapefruit and weighing all of 3 lbs, has been orbiting since 1958 with no thrusters. It is expected to stay up another several hundred years. ig

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