space-based experiment to test the theory of general relativity English
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    Statements

    179942855
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    /m/02m6f1
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    NSSDCA ID English
    GRAVR-A
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    Q148578 (Deleted Item)
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    18 Haziran 1976
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    Q605072 (Deleted Item)
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    GP-A (English)
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    Entity["PhysicalEffect", "GravityProbeA"]
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