<?xml version="1.0" encoding="UTF-8"?><rdf:RDF xmlns:dc='http://purl.org/dc/elements/1.1/' xmlns:dcterms='http://purl.org/dc/terms/' xmlns:edm='http://www.europeana.eu/schemas/edm/' xmlns:ekt='https://www.semantics.gr/authorities/schemanamespaces/ekt#' xmlns:rdf='http://www.w3.org/1999/02/22-rdf-syntax-ns#' xmlns:rdfs='http://www.w3.org/2000/01/rdf-schema#' xmlns:skos='http://www.w3.org/2004/02/skos/core#'><skos:Concept rdf:about='http://semantics.gr/authorities/ekt-unesco/453795602'><skos:prefLabel xml:lang='en'>Astronomy and astrophysics</skos:prefLabel>
<skos:prefLabel xml:lang='el'>Αστρονομία και αστροφυσική</skos:prefLabel>
<skos:altLabel xml:lang='el'>Ουράνια σώματα</skos:altLabel>
<skos:altLabel xml:lang='en'>Celestial bodies</skos:altLabel>
<skos:broader rdf:resource='http://semantics.gr/authorities/ekt-unesco/1751309510'></skos:broader>
<skos:narrower rdf:resource='http://semantics.gr/authorities/ekt-unesco/655542259'></skos:narrower>
<skos:narrower rdf:resource='http://semantics.gr/authorities/ekt-unesco/589217394'></skos:narrower>
<skos:narrower rdf:resource='http://semantics.gr/authorities/ekt-unesco/80204865'></skos:narrower>
<skos:narrower rdf:resource='http://semantics.gr/authorities/ekt-unesco/429495332'></skos:narrower>
<skos:narrower rdf:resource='http://semantics.gr/authorities/ekt-unesco/1811954746'></skos:narrower>
<skos:narrower rdf:resource='http://semantics.gr/authorities/ekt-unesco/1280563908'></skos:narrower>
<skos:narrower rdf:resource='http://semantics.gr/authorities/ekt-unesco/715232625'></skos:narrower>
<skos:narrower rdf:resource='http://semantics.gr/authorities/ekt-unesco/662291088'></skos:narrower>
<skos:narrower rdf:resource='http://semantics.gr/authorities/ekt-unesco/2606829'></skos:narrower>
<skos:relatedMatch><rdf:Description rdf:about='http://semantics.gr/authorities/EKT-voc-classifier/1421579694'><rdfs:label xml:lang='el'>Φυσικές Επιστήμες ▶ Φυσική ▶ Αστρονομία και Αστροφυσική</rdfs:label>
<rdfs:label xml:lang='en'>Natural Sciences ▶ Physical sciences ▶ Astronomy and Astrophysics</rdfs:label>
</rdf:Description>
</skos:relatedMatch>
<skos:closeMatch><rdf:Description rdf:about='http://vocabularies.unesco.org/thesaurus/concept152'><rdfs:label xml:lang='en'>Astronomy</rdfs:label>
</rdf:Description>
</skos:closeMatch>
<skos:closeMatch><rdf:Description rdf:about='http://vocabularies.unesco.org/thesaurus/concept3218'><rdfs:label xml:lang='en'>Astrophysics</rdfs:label>
</rdf:Description>
</skos:closeMatch>
<skos:closeMatch><rdf:Description rdf:about='http://vocabularies.unesco.org/thesaurus/concept151'><rdfs:label xml:lang='en'>Astronomical systems</rdfs:label>
</rdf:Description>
</skos:closeMatch>
</skos:Concept>
</rdf:RDF>
