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gptkbp:instanceOf
|
physical phenomenon
|
|
gptkbp:affects
|
satellite operations
radio communications
power grids
|
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gptkbp:alsoKnownAs
|
gptkb:aurora_borealis
gptkb:asteroid
aurora australis
|
|
gptkbp:bestObservedAt
|
high latitudes
|
|
gptkbp:bestObservedDuring
|
winter months
|
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gptkbp:canBePhotographedBy
|
long exposure cameras
|
|
gptkbp:causedBy
|
charged particles from the sun
|
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gptkbp:color
|
blue
green
purple
red
yellow
|
|
gptkbp:emissionMechanism
|
excitation of atmospheric gases
|
|
gptkbp:firstDescribed
|
ancient civilizations
|
|
gptkbp:firstScientificExplanation
|
gptkb:Kristian_Birkeland
|
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gptkbp:hasViewOf
|
gptkb:Alaska
gptkb:Antarctica
gptkb:Canada
gptkb:Finland
gptkb:Greenland
gptkb:Iceland
gptkb:New_Zealand
gptkb:Northern_Hemisphere
gptkb:Norway
gptkb:Russia
gptkb:Scotland
gptkb:Sweden
gptkb:Tasmania
gptkb:Southern_Hemisphere
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
polar lights
|
|
gptkbp:intensityDependsOn
|
solar activity
|
|
gptkbp:mainGasesInvolved
|
nitrogen
oxygen
|
|
gptkbp:namedFor
|
gptkb:Pierre_Gassendi
|
|
gptkbp:nameOrigin
|
Aurora (Roman goddess of dawn) and Boreas (Greek god of the north wind)
|
|
gptkbp:observedBy
|
antiquity
|
|
gptkbp:occurredIn
|
polar regions
|
|
gptkbp:relatedTo
|
gptkb:ionosphere
Earth's magnetic field
magnetometer
geomagnetic storms
solar wind
space weather
|
|
gptkbp:studiedBy
|
space scientists
atmospheric scientists
|
|
gptkbp:type
|
emission of light
|
|
gptkbp:visibleAtAltitude
|
80-500 km above Earth's surface
|
|
gptkbp:bfsParent
|
gptkb:auroras
|
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gptkbp:bfsLayer
|
5
|