Gravity Probe A

E1992167 UNEXPLORED

Gravity Probe A was a 1976 NASA–Harvard experiment that used a hydrogen maser clock on a suborbital rocket to test Einstein’s general relativity by measuring gravitational redshift with high precision.

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Label	Occurrences
Gravity Probe A canonical	1

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

GP-B → predecessor → Gravity Probe A ⓘ