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gptkbp:instance_of
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gptkb:physicist
|
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gptkbp:bfsLayer
|
3
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gptkbp:bfsParent
|
gptkb:Apollo_12
|
|
gptkbp:collaborations
|
international space agencies
scientists and engineers
|
|
gptkbp:collection
|
precise distance measurements
|
|
gptkbp:conducted
|
Earth's surface
|
|
gptkbp:contributed_to
|
testing general relativity
|
|
gptkbp:discontinued
|
1970s
|
|
gptkbp:equipment
|
laser ranging systems
|
|
gptkbp:exhibited_at
|
gptkb:hospital
|
|
gptkbp:first_performance
|
gptkb:1969
|
|
gptkbp:founded
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gptkb:hospital
|
|
gptkbp:has_impact_on
|
future lunar missions
|
|
gptkbp:has_influence_on
|
gptkb:future_space_missions
|
|
gptkbp:has_programs
|
navigation systems
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Lunar Laser Ranging Experiment
|
|
gptkbp:improves
|
lunar distance measurements
lunar motion
|
|
gptkbp:involves
|
optical telescopes
Earth-based observatories
|
|
gptkbp:is_a_tool_for
|
gptkb:Research_Institute
|
|
gptkbp:is_affected_by
|
atmospheric conditions
|
|
gptkbp:is_essential_for
|
understanding lunar tides
|
|
gptkbp:is_part_of
|
gptkb:Lunar_Exploration_Program
|
|
gptkbp:is_recognized_by
|
its scientific contributions
|
|
gptkbp:is_referenced_in
|
scientific publications
|
|
gptkbp:is_reflected_in
|
retroreflectors
|
|
gptkbp:is_related_to
|
space geodesy
|
|
gptkbp:is_studied_in
|
the Moon's gravitational field
|
|
gptkbp:is_supported_by
|
government funding
|
|
gptkbp:is_used_in
|
measure the Moon's distance to within centimeters
|
|
gptkbp:key_event
|
testing theories of gravity
|
|
gptkbp:location
|
gptkb:planet
|
|
gptkbp:notable_models
|
lunar motion
|
|
gptkbp:operated_by
|
gptkb:NASA
|
|
gptkbp:operational_status
|
over 50 years
|
|
gptkbp:project
|
multiple measurements
|
|
gptkbp:provides_information_on
|
lunar geology
lunar science
|
|
gptkbp:purpose
|
measure the distance between the Earth and the Moon
|
|
gptkbp:requires
|
high-precision timing
|
|
gptkbp:research
|
Earth's rotation
|
|
gptkbp:result
|
geodesy
|
|
gptkbp:significance
|
understanding Earth-Moon dynamics
|
|
gptkbp:technique
|
distance measurement
|
|
gptkbp:technology
|
photodetectors
|
|
gptkbp:uses
|
laser beams
|