<s>
Microsoft	B-Application
Space	I-Application
Simulator	I-Application
is	O
a	O
space	O
flight	O
simulator	O
program	B-Application
,	O
based	O
on	O
Microsoft	B-Operating_System
Flight	I-Operating_System
Simulator	I-Operating_System
for	O
MS-DOS	B-Application
.	O
</s>
<s>
Microsoft	B-Application
Space	I-Application
Simulator	I-Application
is	O
a	O
space	O
flight	O
simulator	O
program	B-Application
that	O
was	O
developed	O
by	O
Microsoft	O
and	O
released	O
in	O
1994	O
.	O
</s>
<s>
The	O
program	B-Application
allows	O
users	O
to	O
experience	O
the	O
thrill	O
of	O
space	O
flight	O
,	O
while	O
also	O
providing	O
a	O
realistic	O
simulation	O
of	O
the	O
physics	O
and	O
mechanics	O
of	O
space	O
travel	O
.	O
</s>
<s>
The	O
program	B-Application
features	O
a	O
wide	O
range	O
of	O
spacecraft	O
and	O
vehicles	O
,	O
including	O
the	O
Space	O
Shuttle	O
,	O
the	O
Russian	O
Soyuz	O
spacecraft	O
,	O
and	O
the	O
Apollo	O
Lunar	O
Module	O
.	O
</s>
<s>
One	O
of	O
the	O
major	O
features	O
of	O
Microsoft	B-Application
Space	I-Application
Simulator	I-Application
is	O
its	O
accurate	O
physics	O
engine	O
,	O
which	O
simulates	O
the	O
behavior	O
of	O
spacecraft	O
and	O
vehicles	O
in	O
a	O
realistic	O
manner	O
.	O
</s>
<s>
The	O
program	B-Application
also	O
allows	O
users	O
to	O
simulate	O
different	O
scenarios	O
,	O
such	O
as	O
landing	O
on	O
the	O
Moon	O
or	O
orbiting	O
a	O
planet	O
.	O
</s>
<s>
In	O
addition	O
to	O
its	O
realistic	O
simulation	O
capabilities	O
,	O
Microsoft	B-Application
Space	I-Application
Simulator	I-Application
also	O
includes	O
a	O
variety	O
of	O
educational	O
resources	O
,	O
such	O
as	O
detailed	O
information	O
on	O
the	O
planets	O
and	O
moons	O
in	O
the	O
Solar	O
System	O
,	O
as	O
well	O
as	O
information	O
on	O
the	O
history	O
of	O
space	O
exploration	O
.	O
</s>
<s>
The	O
program	B-Application
was	O
well	O
received	O
by	O
critics	O
and	O
space	O
enthusiasts	O
.	O
</s>
<s>
The	O
program	B-Application
's	O
source	O
code	O
was	O
not	O
released	O
,	O
and	O
there	O
is	O
no	O
official	O
support	O
or	O
patching	O
for	O
the	O
program	B-Application
.	O
</s>
<s>
Overall	O
,	O
Microsoft	B-Application
Space	I-Application
Simulator	I-Application
is	O
a	O
detailed	O
and	O
accurate	O
simulation	O
of	O
space	O
flight	O
,	O
and	O
it	O
continues	O
to	O
be	O
a	O
popular	O
choice	O
among	O
space	O
enthusiasts	O
and	O
educators	O
.	O
</s>
<s>
Microsoft	B-Application
Space	I-Application
Simulator	I-Application
was	O
released	O
under	O
the	O
Microsoft	B-Application
Home	I-Application
line	O
in	O
1994	O
.	O
</s>
<s>
It	O
was	O
developed	O
by	O
BAO	O
Ltd.	O
,	O
a	O
company	O
run	O
by	O
Bruce	O
Artwick	O
(	O
who	O
was	O
also	O
behind	O
the	O
development	O
of	O
Microsoft	B-Operating_System
Flight	I-Operating_System
Simulator	I-Operating_System
)	O
with	O
Charles	O
Guy	O
as	O
lead	O
developer	O
.	O
</s>
<s>
It	O
provided	O
support	O
for	O
256-color	O
graphics	O
on	O
three	O
resolutions	B-General_Concept
:	O
320x400	O
,	O
640x400	O
,	O
and	O
800x600	B-General_Concept
.	O
</s>
<s>
The	O
graphics	O
featured	O
dithered	O
gouraud	B-Algorithm
shading	I-Algorithm
3D	O
vessels	O
,	O
with	O
texture	O
mapped	O
planets	O
,	O
moons	O
,	O
and	O
deep-sky	O
objects	O
.	O
</s>
<s>
Microsoft	B-Application
Space	I-Application
Simulator	I-Application
uses	O
Newton	O
's	O
laws	O
of	O
motion	O
but	O
takes	O
account	O
of	O
relativistic	O
effects	O
by	O
decreasing	O
a	O
spacecraft	O
's	O
acceleration	O
as	O
its	O
speed	O
approaches	O
the	O
speed	O
of	O
light	O
.	O
</s>
