Statements (14)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:Nebula_Award
|
| gptkbp:apparent_magnitude |
approximately 12.5
|
| gptkbp:contains |
central star
|
| gptkbp:discovered_by |
gptkb:Robert_Gendler
|
| gptkbp:distance_from_earth |
approximately 2,000 light years
|
| gptkbp:emissions_standard |
H-alpha
|
| https://www.w3.org/2000/01/rdf-schema#label |
Apple Core Nebula
|
| gptkbp:is_observed_in |
gptkb:Hubble_Space_Telescope
|
| gptkbp:known_as |
gptkb:NGC_2818
|
| gptkbp:located_in |
constellation Cygnus
|
| gptkbp:size |
about 0.5 light years across
|
| gptkbp:type |
gptkb:Nebula_Award
|
| gptkbp:bfsParent |
gptkb:Dumbbell_Nebula
|
| gptkbp:bfsLayer |
7
|