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)
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 ⓘ |
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
MICROSCOPE
subject surface form:
MICROSCOPE
this entity surface form:
MICRO-Satellite à traînée Compensée pour l’Observation du Principe d’Équivalence
this entity surface form:
MICROSCOPE mission
this entity surface form:
MICROSCOPE mission
this entity surface form:
MICROSCOPE space mission
this entity surface form:
MICROSCOPE mission
this entity surface form:
MICROSCOPE satellite
this entity surface form:
MICROSCOPE satellite drag-free platform
this entity surface form:
French MICROSCOPE space mission