<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>4542</termId><termName>Astronomía</termName><termType>PT</termType><termLanguage>es</termLanguage><termVocabulary>INDICES DE MATERIAS</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>Astronomía</termSortkey><termNote label="Scope"><![CDATA[ <p>Véase además bajo nombres de planetas.</p> ]]></termNote><termNote label="History"><![CDATA[ <p>Se puede usar con un subencabezamiento geográfico</p> ]]></termNote><termNote label="Source"><![CDATA[ <p><strong>CDU</strong>: 52</p> ]]></termNote><termCreatedDate>Astronomía</termCreatedDate><relation><relationType>UF</relationType><termId>12624</termId><termName>Astros</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>12625</termId><termName>Cuerpos celestes</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>12502</termId><termName>Area 03. Geografía general física</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>12632</termId><termName>Espacio extraterrestre</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>12633</termId><termName>Estrellas</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>12634</termId><termName>Mecánica celeste</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>12635</termId><termName>Órbitas</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>12636</termId><termName>Planetas</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>12637</termId><termName>Planisferios celestes</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>12638</termId><termName>Sistema solar</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>12639</termId><termName>Sol</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>12640</termId><termName>Tierra</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>12641</termId><termName>Vida en otros planetas</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>4535</termId><termName>Meteoritos</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>6489</termId><termName>Astronomía prehistórica</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>12070</termId><termName>Geodesia</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>12451</termId><termName>Geografía astronómica</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>12626</termId><termName>Almanaques náuticos</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>12627</termId><termName>Análisis espectral</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>12628</termId><termName>Astrología</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>12629</termId><termName>Calendario</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>12630</termId><termName>Cosmogonía</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>12631</termId><termName>Cronología</termName><termType>PT</termType></relation></term>  </Zthes>