https://r020.com.ar/tematres/demo/https://r020.com.ar/tematres/demo/skos/4903Astrònoms famosos https://r020.com.ar/tematres/demo/skos/4903 Tesaurus Astronomia (TRESAURUS) BT https://r020.com.ar/tematres/demo/skos/4903 Newton NT https://r020.com.ar/tematres/demo/skos/4903 Neil Amstrong NT https://r020.com.ar/tematres/demo/skos/4903 Johannes Kepler NT https://r020.com.ar/tematres/demo/skos/4903 Hiparco de Nicea NT https://r020.com.ar/tematres/demo/skos/4903 Galileo Galilei NT https://r020.com.ar/tematres/demo/skos/4903 Anaximandro NT