MICROSCOPE satellite mission

E57413

The MICROSCOPE satellite mission was a French-led space experiment designed to test the validity of Einstein’s equivalence principle with unprecedented precision by comparing the free fall of different materials in orbit.

All labels observed (7)

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf equivalence principle test ⓘ
physics experiment ⓘ
satellite mission ⓘ
space experiment ⓘ
achievedPrecision equivalence principle tested to about 10^-15 ⓘ
acronymFor MICROSCOPE satellite mission self-linksurface differs ⓘ
surface form: MICRO-Satellite à traînée Compensée pour l’Observation du Principe d’Équivalence
collaboratingInstitution Centre National de la Recherche Scientifique ⓘ
surface form: CNRS

European Space Agency ⓘ
surface form: ESA

OCA ⓘ
ONERA ⓘ
countryOfOrigin France ⓘ
dataRelease final results published 2022 ⓘ
dragCompensation active ⓘ
fullName MICROSCOPE satellite mission self-linksurface differs ⓘ
fundingAgency CNES ⓘ
French Ministry of Higher Education and Research ⓘ
improvedConstraint tightened limits on violation of weak equivalence principle ⓘ
instrument differential electrostatic accelerometers ⓘ
launchDate 2016-04-25 ⓘ
launchLocation Kourou ⓘ
surface form: Kourou, French Guiana
launchSite Guiana Space Centre ⓘ
launchVehicle Soyuz rocket ⓘ
surface form: Soyuz ST-A
leadAgency CNES ⓘ
mass approximately 300 kg ⓘ
measurementType differential acceleration between test masses ⓘ
missionEnd 2023 ⓘ
missionStatus completed ⓘ
operator CNES ⓘ
orbitAltitude about 710 km ⓘ
orbitInclination about 98 degrees ⓘ
orbitType low Earth orbit ⓘ
payload T-SAGE instrument ⓘ
primaryObjective test Einstein’s weak equivalence principle ⓘ
publicationVenue Classical and Quantum Gravity ⓘ
Physical Review Letters ⓘ
relatedConcept Eötvös experiment ⓘ
relatedMission STEP (Satellite Test of the Equivalence Principle) ⓘ
relatedTheory metric theories of gravity ⓘ
result no violation of equivalence principle detected within experimental accuracy ⓘ
scientificDiscipline fundamental physics ⓘ
gravitation ⓘ
scientificGoal compare free fall of different materials in orbit ⓘ
spacecraftBus Myriade platform ⓘ
testMassMaterial platinum-rhodium alloy ⓘ
titanium alloy ⓘ
testsConcept equivalence of inertial and gravitational mass ⓘ
testsTheory general relativity ⓘ
usesTechnology drag-free control system ⓘ

How these facts were elicited

Referenced by (10)

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

equivalence principle → testedBy → MICROSCOPE satellite mission ⓘ
MICROSCOPE satellite mission → fullName → MICROSCOPE satellite mission self-linksurface differs ⓘ
subject surface form: MICROSCOPE
MICROSCOPE satellite mission → acronymFor → MICROSCOPE satellite mission self-linksurface differs ⓘ
subject surface form: MICROSCOPE
this entity surface form: MICRO-Satellite à traînée Compensée pour l’Observation du Principe d’Équivalence
OCA → participatedIn → MICROSCOPE satellite mission ⓘ
this entity surface form: MICROSCOPE mission
OCA → collaboratesOn → MICROSCOPE satellite mission ⓘ
this entity surface form: MICROSCOPE mission
OCA → notableProject → MICROSCOPE satellite mission ⓘ
this entity surface form: MICROSCOPE space mission
T-SAGE instrument → partOf → MICROSCOPE satellite mission ⓘ
this entity surface form: MICROSCOPE mission
T-SAGE instrument → aboard → MICROSCOPE satellite mission ⓘ
this entity surface form: MICROSCOPE satellite
T-SAGE instrument → mountedOn → MICROSCOPE satellite mission ⓘ
this entity surface form: MICROSCOPE satellite drag-free platform
T-SAGE instrument → developedFor → MICROSCOPE satellite mission ⓘ
this entity surface form: French MICROSCOPE space mission