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Descripció de Grup:	orion gemini constellation <a href="https://sky-map.org/groups?lang=en#!/wiki/Waeaabbc6de9b_4db1_b4de_20369ea28d37" rel="tag">constellation</a> <div id="d_body" style="POSITION: absolute; LEFT: 10px; TOP: 100px; WIDTH: 930px;"> <h1><span class="editsection">[<a href="?page=EditGroup&id=22&locale=CA">Editar grup</a>]</span><span class="editsection">[<a href="?page=ChangesGroup&id=22&locale=CA">Canvis</a>]</span><span><a href="?id=22&locale=CA">Binary Stars</a></span></h1> <p class="description"> A binary star is a stellar system consisting of two stars orbiting around their center of mass. For each star, the other is its companion star. Recent research suggests that a large percentage of stars are part of systems with at least two stars. Binary star <a href="https://www.ibm.com/developerworks/community/wikis/home?lang=en#!/wiki/Waeaabbc6de9b_4db1_b4de_20369ea28d37" rel="tag">systems</a> are very important in astrophysics, because observing their mutual orbits allows their mass to be determined. The masses of many single stars can then be determined by extrapolations made from the observation of binaries. Thanks - <a href="http://corporateofficehqinfo.com/mcdonalds-corporate-office/" rel="tag">Mcdonalds</a> </p> <h4><span class="editsection">[<a href="?page=EditMembers&id=22&locale=CA">Editar llista de membres</a>]</span><span class="editsection">[<a href="?page=ChangesMembers&id=22&locale=CA">Canvis</a>]</span><span>Objectes</span></h4> <table border="0" width="100%"><tbody><tr><td><a href="starview?object_type=1&object_id=210&object_name=Alpha+Orionis&locale=CA">Alpha Orionis</a></td><td><a href="starview?object_type=1&object_id=214&object_name=Antares&locale=CA">Antares</a></td><td><a href="starview?object_type=1&object_id=223&object_name=%CE%B5+CMa&locale=CA">ε CMa</a></td><td><a href="starview?object_type=1&object_id=224&object_name=Gacrux&locale=CA">Gacrux</a></td><td><a href="starview?object_type=1&object_id=230&object_name=%CE%B1+Cru&locale=CA">α Cru</a></td></tr><tr><td><a href="starview?object_type=1&object_id=237&object_name=%CE%B5+Sgr&locale=CA">ε Sgr</a></td><td><a href="starview?object_type=1&object_id=255&object_name=%CE%B1+And&locale=CA">α And</a></td><td><a href="starview?object_type=1&object_id=262&object_name=Algol&locale=CA">Algol</a></td><td><a href="starview?object_type=1&object_id=264&object_name=%CE%B3+Cen&locale=CA">γ Cen</a></td><td><a href="starview?object_type=1&object_id=268&object_name=%CE%B4+Ori&locale=CA">δ Ori</a></td></tr><tr><td><a href="starview?object_type=1&object_id=269&object_name=Alphecca&locale=CA">Alphecca</a></td><td><a href="starview?object_type=1&object_id=286&object_name=%CE%B7+Oph&locale=CA">η Oph</a></td><td><a href="starview?object_type=1&object_id=331&object_name=%CE%B2+Dra&locale=CA">β Dra</a></td><td><a href="starview?object_type=1&object_id=342&object_name=%CE%B2+TrA&locale=CA">β TrA</a></td><td><a href="starview?object_type=1&object_id=383&object_name=Mira&locale=CA">Mira</a></td></tr><tr><td><a href="starview?object_type=1&object_id=390&object_name=Albireo&locale=CA">Albireo</a></td><td><a href="starview?object_type=1&object_id=416&object_name=%CE%B3+Cep&locale=CA">γ Cep</a></td><td><a href="starview?object_type=1&object_id=425&object_name=%CE%B7+Ser&locale=CA">η Ser</a></td><td><a href="starview?object_type=1&object_id=444&object_name=%CE%B3+Ara&locale=CA">γ Ara</a></td><td><a href="starview?object_type=1&object_id=448&object_name=%CE%B7+Ori&locale=CA">η Ori</a></td></tr><tr><td><a href="starview?object_type=1&object_id=456&object_name=%CE%B4+Vir&locale=CA">δ Vir</a></td><td><a href="starview?object_type=1&object_id=469&object_name=%CE%B7+Cas&locale=CA">η Cas</a></td><td><a href="starview?object_type=1&object_id=475&object_name=%CE%B2+Lyr&locale=CA">β Lyr</a></td><td><a href="starview?object_type=1&object_id=480&object_name=%CE%B4+Boo&locale=CA">δ Boo</a></td><td><a href="starview?object_type=1&object_id=490&object_name=%CE%B2+Cnc&locale=CA">β Cnc</a></td></tr><tr><td><a href="starview?object_type=1&object_id=494&object_name=%CE%B5+Tau&locale=CA">ε Tau</a></td><td><a href="starview?object_type=1&object_id=495&object_name=%CE%B4+Gem&locale=CA">δ Gem</a></td><td><a href="starview?object_type=1&object_id=515&object_name=%CF%87+Dra&locale=CA">χ Dra</a></td><td><a href="starview?object_type=1&object_id=540&object_name=%CE%B2+Del&locale=CA">β Del</a></td><td><a href="starview?object_type=1&object_id=550&object_name=23+UMa&locale=CA">23 UMa</a></td></tr><tr><td><a href="starview?object_type=1&object_id=553&object_name=%CE%B3+Vir&locale=CA">γ Vir</a></td><td><a href="starview?object_type=1&object_id=566&object_name=%CE%B2+Aql&locale=CA">β Aql</a></td><td><a href="starview?object_type=1&object_id=588&object_name=%CE%B7+Ara&locale=CA">η Ara</a></td><td><a href="starview?object_type=1&object_id=595&object_name=%CE%B1+Del&locale=CA">α Del</a></td><td><a href="starview?object_type=1&object_id=606&object_name=%CE%B3+Leo&locale=CA">γ Leo</a></td></tr><tr><td><a href="starview?object_type=1&object_id=640&object_name=%CE%B4+TrA&locale=CA">δ TrA</a></td><td><a href="starview?object_type=1&object_id=659&object_name=HD+117440&locale=CA">HD 117440</a></td><td><a href="starview?object_type=1&object_id=740&object_name=70+Oph&locale=CA">70 Oph</a></td><td><a href="starview?object_type=1&object_id=831&object_name=CS+Cam&locale=CA">CS Cam</a></td><td><a href="starview?object_type=1&object_id=838&object_name=%CE%B2+Sct&locale=CA">β Sct</a></td></tr><tr><td><a href="starview?object_type=1&object_id=857&object_name=%CE%B1+Cap&locale=CA">α Cap</a></td><td><a href="starview?object_type=1&object_id=866&object_name=%CE%B1+Cnc&locale=CA">α Cnc</a></td><td><a href="starview?object_type=1&object_id=908&object_name=%CE%B2+Sgr&locale=CA">β Sgr</a></td><td><a href="starview?object_type=1&object_id=1038&object_name=%CE%B5+Ret&locale=CA">ε Ret</a></td><td><a href="starview?object_type=1&object_id=1082&object_name=%CE%B4+Tuc&locale=CA">δ Tuc</a></td></tr><tr><td><a href="starview?object_type=1&object_id=1136&object_name=%CE%B5+Tel&locale=CA">ε Tel</a></td><td><a href="starview?object_type=1&object_id=1278&object_name=HD+92397&locale=CA">HD 92397</a></td><td><a href="starview?object_type=1&object_id=1340&object_name=HD+113703&locale=CA">HD 113703</a></td><td><a href="starview?object_type=1&object_id=1345&object_name=101+Aqr&locale=CA">101 Aqr</a></td><td><a href="starview?object_type=1&object_id=1457&object_name=%CE%B4+Tau&locale=CA">δ Tau</a></td></tr><tr><td><a href="starview?object_type=1&object_id=1492&object_name=B+Vel&locale=CA">B Vel</a></td><td><a href="starview?object_type=1&object_id=1497&object_name=25+CVn&locale=CA">25 CVn</a></td><td><a href="starview?object_type=1&object_id=1549&object_name=%CE%B7+Cap&locale=CA">η Cap</a></td><td><a href="starview?object_type=1&object_id=1570&object_name=HD+73389&locale=CA">HD 73389</a></td><td><a href="starview?object_type=1&object_id=1817&object_name=F+Cen&locale=CA">F Cen</a></td></tr><tr><td><a href="starview?object_type=1&object_id=1994&object_name=%CE%B2+Tuc&locale=CA">β Tuc</a></td><td><a href="starview?object_type=1&object_id=2071&object_name=%CE%B5+Boo&locale=CA">ε Boo</a></td><td><a href="starview?object_type=1&object_id=2129&object_name=%CE%B3+Del&locale=CA">γ Del</a></td><td><a href="starview?object_type=1&object_id=2145&object_name=%CE%B1+Lib&locale=CA">α Lib</a></td><td><a href="starview?object_type=1&object_id=2158&object_name=HD+69863&locale=CA">HD 69863</a></td></tr><tr><td><a href="starview?object_type=1&object_id=2298&object_name=%CE%B1+Com&locale=CA">α Com</a></td><td><a href="starview?object_type=1&object_id=2322&object_name=%CE%B7+Ant&locale=CA">η Ant</a></td><td><a href="starview?object_type=1&object_id=2360&object_name=41+Cap&locale=CA">41 Cap</a></td><td><a href="starview?object_type=1&object_id=2372&object_name=%CE%B7+CMi&locale=CA">η CMi</a></td><td><a href="starview?object_type=1&object_id=2404&object_name=HD+73390&locale=CA">HD 73390</a></td></tr><tr><td><a href="starview?object_type=1&object_id=2438&object_name=%CF%87+Aql&locale=CA">χ Aql</a></td><td><a href="starview?object_type=1&object_id=2487&object_name=15+Boo&locale=CA">15 Boo</a></td><td><a href="starview?object_type=1&object_id=2497&object_name=107+Aqr&locale=CA">107 Aqr</a></td><td><a href="starview?object_type=1&object_id=2537&object_name=D+Cen&locale=CA">D Cen</a></td><td><a href="starview?object_type=1&object_id=2661&object_name=20+LMi&locale=CA">20 LMi</a></td></tr><tr><td><a href="starview?object_type=1&object_id=2674&object_name=%CF%87+Tau&locale=CA">χ Tau</a></td><td><a href="starview?object_type=1&object_id=2739&object_name=57+Cnc&locale=CA">57 Cnc</a></td><td><a href="starview?object_type=1&object_id=2799&object_name=%CE%B9+Aps&locale=CA">ι Aps</a></td><td><a href="starview?object_type=1&object_id=2855&object_name=%CF%87+Sgr&locale=CA">χ Sgr</a></td><td><a href="starview?object_type=1&object_id=3015&object_name=41+Ara&locale=CA">41 Ara</a></td></tr><tr><td><a href="starview?object_type=1&object_id=3053&object_name=%CE%B5+Tri&locale=CA">ε Tri</a></td><td><a href="starview?object_type=1&object_id=3318&object_name=47+Boo&locale=CA">47 Boo</a></td><td><a href="starview?object_type=1&object_id=3433&object_name=%CE%B1+CVn&locale=CA">α CVn</a></td><td><a href="starview?object_type=1&object_id=3742&object_name=%CE%B3+Vol&locale=CA">γ Vol</a></td><td><a href="starview?object_type=1&object_id=3862&object_name=Gliese+777&locale=CA">Gliese 777</a></td></tr><tr><td><a href="starview?object_type=1&object_id=4235&object_name=19+CVn&locale=CA">19 CVn</a></td><td><a href="starview?object_type=1&object_id=4975&object_name=HD+38529&locale=CA">HD 38529</a></td><td><a href="starview?object_type=1&object_id=4982&object_name=55+Cnc&locale=CA">55 Cnc</a></td><td><a href="starview?object_type=1&object_id=5067&object_name=16+Cyg&locale=CA">16 Cyg</a></td><td><a href="starview?object_type=1&object_id=5434&object_name=61+Cyg&locale=CA">61 Cyg</a></td></tr><tr><td><a href="starview?object_type=1&object_id=5597&object_name=3+Cen&locale=CA">3 Cen</a></td><td><a href="starview?object_type=1&object_id=6564&object_name=%CE%B7+Car&locale=CA">η Car</a></td><td><a href="starview?object_type=1&object_id=7466&object_name=%CE%B3+Cae&locale=CA">γ Cae</a></td><td><a href="starview?object_type=1&object_id=7635&object_name=HD+75289&locale=CA">HD 75289</a></td><td><a href="starview?object_type=1&object_id=8102&object_name=%CE%B3+Cru&locale=CA">γ Cru</a></td></tr><tr><td><a href="starview?object_type=1&object_id=8290&object_name=Groombridge+1830&locale=CA">Groombridge 1830</a></td><td><a href="starview?object_type=1&object_id=8576&object_name=83+Leo&locale=CA">83 Leo</a></td><td><a href="starview?object_type=1&object_id=8863&object_name=%CE%B9+Cnc&locale=CA">ι Cnc</a></td><td><a href="starview?object_type=1&object_id=9168&object_name=%CE%BF+Cap&locale=CA">ο Cap</a></td><td><a href="starview?object_type=1&object_id=9294&object_name=24+Cnc&locale=CA">24 Cnc</a></td></tr><tr><td><a href="starview?object_type=1&object_id=644210&object_name=Cyg+X-1&locale=CA">Cyg X-1</a></td><td><a href="starview?object_type=1&object_id=870563&object_name=HD+80606&locale=CA">HD 80606</a></td><td><a href="starview?object_type=1&object_id=870682&object_name=HD+80607&locale=CA">HD 80607</a></td><td><a href="starview?object_type=1&object_id=883790&object_name=Gliese+623&locale=CA">Gliese 623</a></td><td><a href="starview?object_type=1&object_id=1473166&object_name=Gliese+229&locale=CA">Gliese 229</a></td></tr><tr><td><a href="starview?object_type=1&object_id=1013318596&object_name=JB+668-991&locale=CA">JB 668-991</a></td></tr></tbody></table> <br><br> <h4><span class="editsection">[<a href="?page=EditLinks&id=22&locale=CA" rel="nofollow">Editar</a>]</span><span class="editsection">[<a href="?page=ChangesLinks&id=22&locale=CA">Canvis</a>]</span><span>Enllaços Externs</span></h4> <br><br> </div>

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