Statements (16)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:radio_station
|
| gptkbp:constellation |
gptkb:Cygnus
|
| gptkbp:contains |
masers
massive protostars molecular outflows |
| gptkbp:discoveredBy |
gptkb:Downes_and_Rinehart
|
| gptkbp:discoveredIn |
1966
|
| gptkbp:distanceFromEarth |
6000 light years
|
| gptkbp:emits |
gptkb:radio_waves
infrared radiation |
| https://www.w3.org/2000/01/rdf-schema#label |
DR 21
|
| gptkbp:locatedIn |
gptkb:Cygnus_X_region
|
| gptkbp:partOf |
gptkb:Milky_Way
|
| gptkbp:type |
gptkb:planetary_nebula
|
| gptkbp:bfsParent |
gptkb:Cygnus_X_region
|
| gptkbp:bfsLayer |
6
|