most suitable for the mobile planetarium.
in 15 minutes, it is the ideal solution with the schools because it is
much easier (and ecological ?) To move a host and its equipment than to
rent a bus to move a whole school !
a very expensive, (starting from 6000 to 8000 € for a dome of 20-25 seats).
its own inflatable dome is complicated and not recommended because it must
respect safety regulations and it is often complicated to get the autorization.
you choose this option, it's better to directly acquire a dome, it's much
less complicated (and not too much expensive).
forget that, for a 4.5m dome, it requires a ceiling height of at least