https://www.houspain.com/en_gttp/ 2026-05-25T18:37:05+02:00 https://www.houspain.com/en_gttp/ https://www.houspain.com/en_gttp/lib/images/favicon.ico text/html 2013-07-04T12:53:20+02:00 https://www.houspain.com/en_gttp/doku.php?id=viajero_estelar:distancias_entre_sistemas_planetarios&rev=1372935200&do=diff *educational content may be downloaded at the bottom of this page. Educational problem Students are taught about the Solar System and the existence of extra-solar planetary systems. However, they are not acquainted with them. Astrography and the location of these planetary systems, the properties of the stars that heat the planets and concepts like the difficulty of findinghabitable planets are not discussed on scientific bases. Textbook teaching of the subject is limited and there is an o… text/html 2013-07-04T13:02:11+02:00 https://www.houspain.com/en_gttp/doku.php?id=viajero_estelar:matematicas_en_el_espacio&rev=1372935731&do=diff *educational content may be downloaded at the bottom of this page. Educational problem At school students are taught Mathematics to solve well defined problems. They perceive Mathematics as safe since once the sample problem is taught during the lecture, all similar problems are solvable in the same manner. However, Mathematics are also about research. There are unsolved mathematical problems and some of them are related with everyday life. Among those problems, there is one that can be ea…