DMR
E817841
DMR is a scientific instrument aboard the COBE satellite designed to measure tiny variations in the cosmic microwave background radiation across the sky.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
scientific instrument
ⓘ
spaceborne microwave radiometer ⓘ |
| aboard |
COBE satellite
NERFINISHED
ⓘ
Cosmic Background Explorer NERFINISHED ⓘ |
| angularResolution | about 7 degrees ⓘ |
| associatedNobelPrize | 2006 Nobel Prize in Physics NERFINISHED ⓘ |
| coexistsWith |
DIRBE
NERFINISHED
ⓘ
FIRAS NERFINISHED ⓘ |
| contributedTo | precision cosmology ⓘ |
| dataArchive | NASA LAMBDA archive NERFINISHED ⓘ |
| dataUsedFor |
cosmological parameter estimation
ⓘ
tests of inflationary cosmology ⓘ |
| designedTo |
measure cosmic microwave background anisotropies
ⓘ
measure temperature fluctuations in the cosmic microwave background ⓘ |
| discovered | large-scale CMB temperature anisotropies ⓘ |
| fieldOfView | large angular scale ⓘ |
| fullName | Differential Microwave Radiometers NERFINISHED ⓘ |
| hasFrequencyChannel |
31.5 GHz
ⓘ
53 GHz ⓘ 90 GHz ⓘ |
| hostMissionAgency | NASA Goddard Space Flight Center NERFINISHED ⓘ |
| hostSpacecraftInclination | about 99 degrees ⓘ |
| hostSpacecraftOrbitType | Sun-synchronous orbit ⓘ |
| launchDate | 1989-11-18 ⓘ |
| launchVehicle | Delta rocket NERFINISHED ⓘ |
| measurementType |
differential measurements
ⓘ
microwave radiometry ⓘ |
| missionEndYear | 1993 ⓘ |
| missionStartYear | 1989 ⓘ |
| numberOfFrequencyChannels | 3 ⓘ |
| observes |
cosmic microwave background radiation
ⓘ
microwave sky ⓘ |
| operatedBy | NASA ⓘ |
| operatedIn | low Earth orbit ⓘ |
| partOf | COBE payload ⓘ |
| primaryGoal |
detect large-scale anisotropy of the cosmic microwave background
ⓘ
map temperature variations across the sky ⓘ |
| produced | full-sky CMB temperature maps ⓘ |
| providedEvidenceFor |
Big Bang cosmology
NERFINISHED
ⓘ
primordial density fluctuations ⓘ |
| scanningStrategy | full-sky coverage ⓘ |
| skyCoverage | nearly 100 percent of the sky ⓘ |
| successorInstrument |
Planck LFI
NERFINISHED
ⓘ
WMAP NERFINISHED ⓘ |
| teamLeader | George F. Smoot NERFINISHED ⓘ |
| temperatureSensitivity | tens of microkelvin ⓘ |
| wavelengthRange | microwave ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
COBE Differential Microwave Radiometer