|
gptkbp:instance_of
|
gptkb:Nebula_Award
|
|
gptkbp:apparent_magnitude
|
approximately 13.1
|
|
gptkbp:contains
|
a central star
|
|
gptkbp:diameter
|
approximately 2.5 light-years
|
|
gptkbp:discovered_by
|
gptkb:Karl_Ludwig_Harding
|
|
gptkbp:emissions_standard
|
H-alpha
|
|
gptkbp:formed
|
stellar winds
|
|
gptkbp:has_color
|
blue and red
|
|
gptkbp:has_component
|
ionized gas
|
|
gptkbp:has_function
|
ring-like structure
|
|
gptkbp:has_spectral_type
|
O-type star
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
the Helix Nebula
|
|
gptkbp:ingredients
|
molecular hydrogen
|
|
gptkbp:is_analyzed_in
|
chemical composition
|
|
gptkbp:is_approximately
|
650 light-years away from Earth
|
|
gptkbp:is_associated_with
|
the death of a star
|
|
gptkbp:is_considered_as
|
one of the closest planetary nebulae
|
|
gptkbp:is_considered_to_be
|
a popular target for astrophotography
|
|
gptkbp:is_described_as
|
gptkb:literature
a cosmic object
|
|
gptkbp:is_explored_in
|
astrophysicists
|
|
gptkbp:is_known_for
|
its bright colors
its resemblance to an eye
|
|
gptkbp:is_located_at
|
declination -20° 50′ 13″
right ascension 22h 29m 38s
|
|
gptkbp:is_located_in
|
the constellation Aquarius
|
|
gptkbp:is_located_near
|
the star 55 Aquarii
|
|
gptkbp:is_observed_in
|
gptkb:spectroscopy
telescopes
radio wavelengths
|
|
gptkbp:is_part_of
|
gptkb:the_Milky_Way_galaxy
the local bubble
the galactic plane
the southern sky
the planetary nebula class
the nebulae category
|
|
gptkbp:is_studied_for
|
stellar evolution
its morphology
|
|
gptkbp:is_studied_in
|
gptkb:astronomy
|
|
gptkbp:is_visible_from
|
gptkb:Earth
infrared wavelengths
small telescopes
|
|
gptkbp:known_as
|
gptkb:NGC_7293
|
|
gptkbp:map
|
gptkb:astronomy
|
|
gptkbp:photography
|
gptkb:Hubble_Space_Telescope
|
|
gptkbp:type_of
|
gptkb:Nebula_Award
|
|
gptkbp:bfsParent
|
gptkb:The_Eye_of_God
|
|
gptkbp:bfsLayer
|
5
|