Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:Nebula_Award
|
| gptkbp:apparent_magnitude |
8.8
|
| gptkbp:associated_with |
the death of a star
|
| gptkbp:body_shape |
gptkb:Ring_of_Honor
|
| gptkbp:composed_by |
hydrogen, helium, oxygen
|
| gptkbp:contains_star |
gptkb:HD_188642
|
| gptkbp:discovered_by |
gptkb:Antonie_P._de_Bréguet
|
| gptkbp:discovery_year |
1779
|
| gptkbp:distance_from_earth |
2300 light years
|
| gptkbp:exhibition |
gptkb:NGC_6720
|
| gptkbp:has_radius |
about 1 light year
|
| gptkbp:has_spectral_type |
OIII emission
|
| https://www.w3.org/2000/01/rdf-schema#label |
M57 (Ring Nebula)
|
| gptkbp:image |
1886
|
| gptkbp:is_observed_in |
gptkb:William_Herschel
|
| gptkbp:is_visible_from |
best seen in summer months
|
| gptkbp:located_in |
gptkb:Lyra
|
| gptkbp:research |
telescopes
|
| gptkbp:size |
about 1.5 arcminutes
|
| gptkbp:type |
gptkb:Nebula_Award
|
| gptkbp:bfsParent |
gptkb:Lyra
|
| gptkbp:bfsLayer |
5
|