English Wikipedia - The Free Encycl...
Download this dictionary
Tycho-2 Catalogue
The
Tycho-2 Catalogue
is a
catalogue
of more than 2.5 million of the brightest
stars
.
See more at Wikipedia.org...
© This article uses material from
Wikipedia
®
and is licensed under the
GNU Free Documentation License
and under the
Creative Commons Attribution-ShareAlike License