The Gravity Probe B (GP-B) satellite used electrostatically suspended gyroscopes to test two predictions of general relativity. Here, we describe the satellite's proportional thrusters, which utilized boil-off helium gas for attitude and translation Control (ATC). The evolution of the design and its successful effect on orbit performance is reported.

D DeBra

W J Bencze

C W F Everitt

J VandenBeukel

J Kirschenbaum

Classical and Quantum Gravity

CLASSICAL AND QUANTUM GRAVITY 是引力和时空理论领域的物理学家、数学家和宇宙学家的知名期刊。该杂志现在是公认的经典相对论和量子引力所有领域的世界领导者。

Classical and Quantum Gravity is a renowned journal in the field of gravity and spacetime theory, widely recognized by physicists, mathematicians, and cosmologists. The journal is acknowledged as a world leader in all areas of classical relativity and quantum gravity.

《Classical and Quantum Gravity》是引力和时空理论领域的知名期刊，受到物理学家、数学家和宇宙学家的广泛认可。该杂志被公认为经典相对论和量子引力各个领域的全球领导者。

Category	Quartile
物理与天体物理	3
物理与天体物理, 天文与天体物理	3
物理与天体物理, 物理综合	3
物理与天体物理, 物理粒子与场物理	4
物理与天体物理, 量子科技	4

Proportional helium thrusters for Gravity Probe B

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