<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>10377</termId><termName>astronomy</termName><termType>PT</termType><termCreatedDate>0000-00-00 00:00:00</termCreatedDate><relation><relationType>BT</relationType><termId>10225</termId><termName>physical sciences</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>11311</termId><termName>archaeoastronomy</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>11299</termId><termName>astrometry</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>11297</termId><termName>astrophysics</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>8979</termId><termName>celestial mechanics</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>9011</termId><termName>cosmochemistry</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>11317</termId><termName>cosmology</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>11313</termId><termName>gamma ray astronomy</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>11323</termId><termName>infrared astronomy</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>11310</termId><termName>nautical astronomy</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>11298</termId><termName>observational astronomy</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>11321</termId><termName>radio astronomy</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>11322</termId><termName>ultraviolet astronomy</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>11314</termId><termName>X-ray astronomy</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>10376</termId><termName>astronautics</termName><termType>PT</termType></relation></term>  </Zthes>