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gptkbp:instanceOf
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astronomer
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gptkbp:category
|
solar phenomena
planetary transit
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gptkbp:duration
|
several hours
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gptkbp:first_observed_year
|
1639
|
|
gptkbp:first_predicted_by
|
gptkb:Johannes_Kepler
|
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gptkbp:firstObserved
|
gptkb:Jeremiah_Horrocks
|
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gptkbp:frequency
|
pairs of transits eight years apart, separated by over a century
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Transit of Venus
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gptkbp:Kepler_predicted_year
|
1631
|
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gptkbp:last_occurred
|
5–6 June 2012
|
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gptkbp:Mikhail_Lomonosov_discovered
|
Venus has an atmosphere
|
|
gptkbp:next_occurrence
|
10–11 December 2117
8 December 2125
|
|
gptkbp:node
|
ascending node
descending node
|
|
gptkbp:notable_for
|
helping determine the scale of the solar system
|
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gptkbp:observable_from
|
gptkb:Earth
|
|
gptkbp:observedBy
|
astronomers worldwide
|
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gptkbp:occurredIn
|
Venus passes between Earth and the Sun
|
|
gptkbp:part_of
|
celestial mechanics
|
|
gptkbp:previous_occurrence
|
8 June 2004
|
|
gptkbp:relatedEvent
|
gptkb:Transit_of_Mercury
|
|
gptkbp:studiedBy
|
gptkb:Edmond_Halley
gptkb:Mikhail_Lomonosov
gptkb:Guillaume_Le_Gentil
James Cook
|
|
gptkbp:usedFor
|
measuring the astronomical unit
|
|
gptkbp:visible_as
|
small black dot moving across the Sun
|
|
gptkbp:visible_only_when
|
Venus is near one of its nodes
|
|
gptkbp:bfsParent
|
gptkb:Three_Days_Grace
|
|
gptkbp:bfsLayer
|
5
|