https://www.astronomy.ro Primul Portal de Astronomie din Romania Sat, 20 Dec 2025 14:31:40 +0000 en hourly 1 http://wordpress.org/?v=3.1.3 https://www.astronomy.ro/universuri-ciclice-cu-geometrie-toroidala_631.html https://www.astronomy.ro/universuri-ciclice-cu-geometrie-toroidala_631.html#comments Tue, 31 Oct 2006 20:30:49 +0000 lucia lucia http://www.astronomy.ro/blog/?p=631 https://www.astronomy.ro/universuri-ciclice-cu-geometrie-toroidala_631.html/feed 2