The Moon is a celestial body of huge importance in human culture and has been considered as a world heritage.However, this concept has been in doubt due to the fact that the nations that had the possibility to explore this natural satellite have considered ways of appropriating it.This concern led to the creation in 1979 within the United Nations of a juridical regime that regulated the activities of States in the Moon.Article 11, of these rules established an innovative regime that guarantied the equitable access of all countries to the resources allocated in the Moon.This paper explains the context and principles that inspired this agreement, as well as its qualities and defects and describes some proposals in order to improve it. El régimen jurídico aplicable a las actividades en la luna y otros cuerpos celestes * Carolina Araujo Chovil