NASA's Great Observatories program

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:astronomy_program
gptkbp:Chandra_X-ray_Observatory_launch_date	1999
gptkbp:Chandra_X-ray_Observatory_observes	gptkb:X-rays
gptkbp:Chandra_X-ray_Observatory_status	active
gptkbp:Compton_Gamma_Ray_Observatory_launch_date	1991
gptkbp:Compton_Gamma_Ray_Observatory_observes	gptkb:gamma_rays
gptkbp:Compton_Gamma_Ray_Observatory_status	deorbited
gptkbp:Hubble_Space_Telescope_launch_date	1990
gptkbp:Hubble_Space_Telescope_observes	visible light
gptkbp:Hubble_Space_Telescope_status	active
gptkbp:includes	gptkb:Spitzer_Space_Telescope gptkb:Compton_Gamma_Ray_Observatory gptkb:Chandra_X-ray_Observatory gptkb:Hubble_Space_Telescope
gptkbp:notableFinds	black holes dark energy exoplanets expansion rate of universe
gptkbp:operatedBy	gptkb:NASA
gptkbp:purpose	observe universe in different wavelengths
gptkbp:significance	major advances in astrophysics
gptkbp:Spitzer_Space_Telescope_launch_date	2003
gptkbp:Spitzer_Space_Telescope_observes	infrared
gptkbp:Spitzer_Space_Telescope_status	retired
gptkbp:startDate	1990
gptkbp:status	partially active
gptkbp:bfsParent	gptkb:Chandra gptkb:Chandra_X-ray_Observatory
gptkbp:bfsLayer	6
https://www.w3.org/2000/01/rdf-schema#label	NASA's Great Observatories program