<s>
Sky	B-Application
Map	I-Application
is	O
an	O
Android	B-Application
planetarium	B-Application
software	I-Application
application	O
.	O
</s>
<s>
Sky	B-Application
Map	I-Application
was	O
designed	O
and	O
developed	O
by	O
a	O
group	O
of	O
Google	B-Application
engineers	O
in	O
Pittsburgh	O
,	O
Pennsylvania	O
as	O
part	O
of	O
their	O
20%	O
time	O
.	O
</s>
<s>
On	O
January	O
20	O
,	O
2012	O
,	O
Google	B-Application
announced	O
a	O
student	O
development	O
partnership	O
with	O
Carnegie	O
Mellon	O
University	O
and	O
released	O
Sky	B-Application
Map	I-Application
under	O
the	O
Apache	B-Application
2.0	I-Application
open	O
source	O
license	O
.	O
</s>
<s>
The	O
project	O
is	O
presently	O
available	O
in	O
the	O
form	O
of	O
a	O
GitHub	B-Application
repository	O
.	O
</s>
