Space
tourism
is
space
travel
for
recreational
,
leisure
or
business
purposes
.
There
are
several
different
types
of
space
tourism
,
including
orbital
,
____________________
and
lunar
space
tourism
.
To
date
____________________
space
tourism
has
been
performed
only
by
the
Russian
Space
Agency
.
Work
also
continues
towards
____________________
suborbital
space
tourism
____________________
.
This
is
being
done
by
aerospace
____________________
like
Blue
Origin
and
Virgin
Galactic
.
In
addition
,
SpaceX
(
an
aerospace
manafacturer
)
announced
in
2017
that
they
are
____________________
on
sending
two
space
tourists
on
a
lunar
free
return
trajectory
aboard
their
Dragon
V2
spacecraft
in
2018
.
The
spacecraft
will
be
____________________
by
the
Falcon
Heavy
rocket
.
