At the following hyperlink address is a fascinating article about reports from astronauts of the past and present--- who when leaving earth's atmosphere in space craft to the reaches of interplanetary space , describe feelings of euphoria--feelings of a numinous sort .:www.universetoday.com/2008/05...nt-21554

There is some discussion among people from various discplines in the scientific community as to whether or not the experience might be a result of freeing the synaptic connections in the brain cells of the astronauts from the effects of immanent gravity , or whether it has some other cause or causes .

I tend to think it may be a combination of factors .