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The catalogue detailed each star's coordinates, proper motions, photometric data, spectral types, and other useful information. The last printed version of the Bright Star Catalogue was the 4th revised edition, released in 1982. The 5th edition is in electronic form and is available online.
The awards and decorations of the United States Armed Forces include various medals, service ribbons, ribbon devices, and specific badges which recognize military service and personal accomplishments of members of the U.S. Armed Forces. Such awards are a means to outwardly display the highlights of a service member's career.
Badges of the United States Army. Badges of the United States Army are military decorations issued by the United States Department of the Army to soldiers who achieve a variety of qualifications and accomplishments while serving on active and reserve duty in the United States Army . As described in Army Regulation 670-1 Uniforms and Insignia ...
Online version of the SAO Catalog was created by the HEASARC in March 2001 based on ADC/CDS Catalog I/131A, which itself is originally derived from a character-coded machine-readable version of the Smithsonian Astrophysical Observatory Star Catalog (SAO, SAO Staff 1966) prepared by T.A. Nagy in 1979, and subsequently modified over the next ...
The Purple Star Designation, valid for 2024-2027, is a mark of distinction for schools committed to supporting students and families within the military community.
c. 300 BC — star catalog of Timocharis of Alexandria. c. 134 BC — Hipparchus makes a detailed star map. c. 150 — Ptolemy completes his Almagest, which contains a catalog of stars, observations of planetary motions, and treatises on geometry and cosmology. c. 705 — Dunhuang Star Chart, a manuscript star chart from the Mogao Caves at ...