I, the copyright holder of this work, hereby publish it under the following licenses:
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
Ulugh Beg's Astronomic Observatory (1428—1429), rediscovered in 1908. The trench with the lower section of the meridian arc. In Ulugh Beg's time, these walls were lined with polished marble.
{{Information |Description=Ulugh Beg's Astronomic Observatory (1428—1429). It was found in archaeological dig by Samarkand's archaeologist V. Vyatkin at 1908 |Source="own work" |Date=October,2007 |Author=Igor Pinigin |Permission=own work |other_versions