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.
Observed surface forms (2)
| Surface form | Occurrences |
|---|---|
| MICROSCOPE | 0 |
| MICRO-Satellite à traînée Compensée pour l’Observation du Principe d’Équivalence | 1 |
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 (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
MICROSCOPE
this entity surface form:
MICRO-Satellite à traînée Compensée pour l’Observation du Principe d’Équivalence
subject surface form:
MICROSCOPE