A two-day conference on Islam and life in space is under way in Malaysia, in a bid to answer questions faced by would-be Muslim astronauts.
For instance, Muslims wash before they pray but not only is water a precious commodity in space, but it is also impractical in weightlessness.
Likewise, the faithful face Mecca. However, that will mean pin-pointing a moving location while in zero gravity.
And Muslim prayer times are linked to those of the sunrise and sunset, but in orbit the sun appears to rise and set more than a dozen times a day.
See also: Iranian Woman in Space
http://news.bbc.co.uk/2/hi/asia-pacific/4941816.stm