<s>
Gaia	B-Application
Sky	I-Application
is	O
an	O
open-source	O
astronomy	O
visualisation	O
desktop	O
and	O
VR	O
program	O
with	O
versions	O
for	O
Windows	O
,	O
Linux	B-Application
and	O
macOS	B-Application
.	O
</s>
<s>
Gaia	B-Application
Sky	I-Application
is	O
a	O
product	O
of	O
the	O
outreach	O
working	O
group	O
of	O
the	O
Gaia	O
Data	O
Processing	O
and	O
Analysis	O
Consortium	O
.	O
</s>
<s>
The	O
software	O
is	O
released	O
under	O
the	O
Mozilla	B-License
Public	I-License
License	I-License
.	O
</s>
<s>
The	O
inner	O
workings	O
of	O
Gaia	B-Application
Sky	I-Application
are	O
described	O
in	O
detail	O
in	O
the	O
paper	O
Gaia	B-Application
Sky	I-Application
:	O
Navigating	O
the	O
Gaia	O
Catalog	O
.	O
</s>
<s>
Gaia	B-Application
Sky	I-Application
offers	O
many	O
advanced	O
features	O
like	O
the	O
stereoscopic	O
(	O
3D	O
)	O
,	O
planetarium	O
and	O
panorama	O
renderers	O
.	O
</s>
<s>
Gaia	B-Application
Sky	I-Application
is	O
used	O
by	O
ESA	O
to	O
aid	O
in	O
the	O
video	O
production	O
of	O
Gaia	O
Data	O
Releases	O
.	O
</s>
<s>
A	O
video	O
made	O
with	O
Gaia	B-Application
Sky	I-Application
was	O
also	O
featured	O
in	O
the	O
Astronomy	O
Picture	O
of	O
the	O
Day	O
website	O
.	O
</s>
<s>
The	O
installer	O
packages	O
of	O
Gaia	B-Application
Sky	I-Application
contain	O
the	O
program	O
but	O
no	O
data	O
at	O
all	O
.	O
</s>
<s>
In	O
order	O
to	O
use	O
Gaia	B-Application
Sky	I-Application
,	O
at	O
least	O
a	O
download	O
of	O
the	O
base	O
data	O
package	O
,	O
containing	O
the	O
Solar	O
System	O
with	O
low-resolution	O
textures	O
,	O
is	O
necessary	O
.	O
</s>
<s>
Gaia	B-Application
Sky	I-Application
offers	O
a	O
built-in	O
download	O
manager	O
which	O
connects	O
to	O
the	O
servers	O
at	O
the	O
Astronomisches	O
Rechen-Institut	O
in	O
Heidelberg	O
to	O
fetch	O
the	O
desired	O
datasets	O
.	O
</s>
<s>
All	O
datasets	O
are	O
specified	O
in	O
JSON	B-General_Concept
files	O
following	O
a	O
comprehensible	O
and	O
well	O
documented	O
format	O
.	O
</s>
