missionsAstroSCI
Astronomy
The :isLeafConcept property marks whether a SKOS concept is a leaf SKOS concept.
ESA Data Ontology
Hubble Space Telescope
Launched in 1990, the NASA/ESA Hubble Space Telescope remains the premier UV and visible light telescope in orbit. With well over 1.4 million observations from 10 different scientific instruments, the ESA Hubble Science Archive is a treasure trove of astronomical data to be exploited.