1. The National Science Centre home page: http://www.tec.open.ac.uk/design/space/nsc.html
2. Rzevski, G. and Buckland, R., in Proceedings of European Space R&D workshop. Noordwijk, The Netherlands, 14–15 February 1996, 1996
3. Blake, R. and Jones, B., Low temperature space observatories: the effect of realistic surface properties, IAU Astronomy Education Symposium. London, 8–12 July 1996
4. LunaCorp’s home page: http://www.radiosite.com/lunacorp/
5. Sheffield Hallam University’s centre for science education home page: http://www.shu.ac.uk/schools/sci/sol/contents.htm