Statements (58)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:Nebula_Award
|
| gptkbp:age |
approximately 10,600 years
|
| gptkbp:apparent_magnitude |
approximately 13.1
|
| gptkbp:composed_of |
hydrogen and helium
|
| gptkbp:contains |
a central star
|
| gptkbp:diameter |
approximately 2.5 light-years
|
| gptkbp:discovered_by |
gptkb:Karl_Ludwig_Harding
|
| gptkbp:has_color |
blue and red
|
| gptkbp:has_function |
ring-like structure
|
| gptkbp:has_spectral_type |
gptkb:region
|
| https://www.w3.org/2000/01/rdf-schema#label |
The Helix Nebula
|
| gptkbp:illustrated_by |
astronomy textbooks
|
| gptkbp:is_analyzed_in |
gptkb:spectroscopy
its expansion rate |
| gptkbp:is_approximately |
650 light-years away from Earth
|
| gptkbp:is_associated_with |
the death of a star
|
| gptkbp:is_atype_of |
gptkb:Nebula_Award
|
| gptkbp:is_connected_to |
stellar evolution theories
|
| gptkbp:is_considered |
a popular target for astrophotography
a significant astronomical object a benchmark for studying nebulae |
| gptkbp:is_described_as |
a cosmic cloud of gas and dust
one of the closest planetary nebulae to Earth |
| gptkbp:is_documented_in |
astronomical catalogs
|
| gptkbp:is_examined_in |
professional astronomers
|
| gptkbp:is_explored_in |
gptkb:space_mission
computer simulations space telescopes |
| gptkbp:is_known_for |
its unique morphology
its bright central star its resemblance to an eye |
| gptkbp:is_located_in |
gptkb:Aquarius_constellation
|
| gptkbp:is_noted_for |
its historical significance in astronomy
its intricate structure |
| gptkbp:is_observed_in |
gptkb:Hubble_Space_Telescope
radio telescopes various wavelengths of light |
| gptkbp:is_part_of |
gptkb:the_Milky_Way_galaxy
the study of cosmic phenomena the study of planetary nebulae the exploration of the universe the study of stellar remnants the catalog of Messier objects the local bubble of hot gas the planetary nebula phase of stellar evolution |
| gptkbp:is_referenced_in |
gptkb:literature
|
| gptkbp:is_studied_for |
its chemical composition
its light emission properties |
| gptkbp:is_studied_in |
gptkb:astronomy
|
| gptkbp:is_surrounded_by |
a halo of gas and dust
|
| gptkbp:is_visible_from |
gptkb:Yes
the southern hemisphere small telescopes |
| gptkbp:known_as |
gptkb:NGC_7293
|
| gptkbp:photography |
amateur astronomers
|
| gptkbp:type_of |
gptkb:Planetary_Nebula
|
| gptkbp:bfsParent |
gptkb:Hubble_Space_Telescope
|
| gptkbp:bfsLayer |
4
|