Krajská hvezdáreň a planetárium Maximiliána Hella v Žiari nad Hronom

• http://www.bbsk.sk
• http://www.astrobb.sk
• http://www.astrors.sk/
• http://astrin.planetarium.sk/
• http://www.planetarium.sk/hell_na_oblohe/index.php
• https://www.google.sk/maps/place/Krajsk%C3%A1+hvezd%C3%A1re%C5%88+a+planet%C3%A1rium+Maximili%C3%A1na+Hella/@48.586233,18.8503908,390m/data=!3m2!1e3!4b1!4m5!3m4!1s0x47152f1c79e0113d:0xcad4ab10557b4e7a!8m2!3d48.586233!4d18.8515316?hl=sk
• http://www.planetarium.sk/hviezdna-sala-c933
• http://www.planetarium.sk/saly-c935
• http://www.planetarium.sk/apollo
• http://www.planetarium.sk/informacie-o-pravidelnom-programe-c9330
• http://www.planetarium.sk/navstevny-poriadok-c9315
• http://www.planetarium.sk/cennik-pre-verejnost-c9335
• https://www.facebook.com/Krajsk%C3%A1-hvezd%C3%A1re%C5%88-a-planet%C3%A1rium-Maximili%C3%A1na-Hella-v-%C5%BDiari-nad-Hronom-105136106188382/