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Binary system

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265: 41: 338: 256:, which refers to objects that are so close together in the sky that they appear to be a binary system, but are not. Such objects merely appear to be close together, but lie at different distances from the Solar System. 248:
are objects that seem to move around nothing as their companion object cannot be identified, it can only be inferred. The companion object may not be bright enough or may be hidden in the glare from the primary object.
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also orbit around a barycenter not inside either of them. The Sun and Jupiter orbit a point outside of either, but are not considered a binary because they are different kinds of objects.
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are close to each other and are able to transfer mass from one another. They can also be classified based on how we observe them.
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are objects with orbits that keep them apart from one another. They evolve separately and have very little effect on each other.
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are where the objects' orbits are at an angle that when one passes in front of the other it causes an
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are two stars separated enough that they can be disinguished through binoculars or a small telescope.
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of the same kind that are comparable in size. Definitions vary, but typically require the
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In a binary system, the brighter or more massive object is referred to as
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NASA Astrobiology Institute Shows How Wide Binary Stars Form - NASA
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When binary minor planets are similar in size, they may be called "
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is similar but consists of three or more objects, for example
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OGLE Atlas of Variable Star Light Curves - Eclipsing binaries
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are sometimes described as a binary system because the
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A related classification though not a binary system is
464:"Can We Call Pluto and Charon a 'Binary Planet' Yet?" 333: 397:"Binary Star Systems: Classification and Evolution" 259: 65:. Unsourced material may be challenged and removed. 220:Binary stars are also classified based on orbit. 516: 461: 276:are often described as a binary system in the 16:Two astronomical bodies which orbit each other 149:to be located outside of either object. (See 434:"Satellites and Companions of Minor Planets" 156:The most common kinds of binary system are 125:Learn how and when to remove this message 367:Contact binary (small Solar System body) 263: 426: 517: 420:Thüringer Landessternwarte Tautenburg 63:adding citations to reliable sources 34: 413: 13: 416:Analysis of Spectroscopic Binaries 14: 546: 485: 202: 336: 260:Binary companion (minor planets) 39: 502: 50:needs additional citations for 535:Astronomical dynamical systems 455: 407: 389: 29:Binary system (disambiguation) 1: 462:Ian O'Neill (8 August 2014). 382: 440:. 2009-09-17. Archived from 7: 329: 10: 551: 377:Rotational Brownian motion 287: 18: 509:Astronomy: A Visual Guide 184:can also form binaries. 20:For binary numbers, see 285: 242:, as seen from Earth. 310:and its largest moon 267: 246:Astrometric binaries 213:, and the other the 59:improve this article 27:For other uses, see 525:Celestial mechanics 438:Minor Planet Center 143:astronomical bodies 141:is a system of two 511:by Mark A. Garlick 403:. 17 January 2018. 286: 280:, which orbit the 236:Eclipsing binaries 414:Lehmann, Holger. 296:binary companions 268:The dwarf planet 197:trinary asteroids 151:animated examples 135: 134: 127: 109: 542: 479: 478: 476: 474: 459: 453: 452: 450: 449: 430: 424: 423: 411: 405: 404: 393: 346: 344:Astronomy portal 341: 340: 339: 304:79360 Sila–Nunam 162:binary asteroids 130: 123: 119: 116: 110: 108: 67: 43: 35: 32: 25: 550: 549: 545: 544: 543: 541: 540: 539: 515: 514: 505: 488: 483: 482: 472: 470: 460: 456: 447: 445: 432: 431: 427: 412: 408: 395: 394: 390: 385: 352:Binary asteroid 342: 337: 335: 332: 292: 290:Binary asteroid 262: 230:Visual binaries 205: 189:multiple system 131: 120: 114: 111: 74:"Binary system" 68: 66: 56: 44: 33: 26: 19: 17: 12: 11: 5: 548: 538: 537: 532: 530:Binary systems 527: 513: 512: 504: 501: 500: 499: 494: 487: 486:External links 484: 481: 480: 468:Discovery News 454: 425: 406: 387: 386: 384: 381: 380: 379: 374: 369: 364: 362:Contact binary 359: 354: 348: 347: 331: 328: 288:Main article: 261: 258: 254:optical binary 226:Close binaries 204: 203:Classification 201: 147:center of mass 133: 132: 47: 45: 38: 15: 9: 6: 4: 3: 2: 547: 536: 533: 531: 528: 526: 523: 522: 520: 510: 507: 506: 498: 495: 493: 490: 489: 469: 465: 458: 444:on 2011-01-21 443: 439: 435: 429: 421: 417: 410: 402: 398: 392: 388: 378: 375: 373: 372:Double planet 370: 368: 365: 363: 360: 358: 355: 353: 350: 349: 345: 334: 327: 325: 322:and its moon 321: 317: 313: 309: 305: 301: 297: 291: 283: 279: 275: 272:and its moon 271: 266: 257: 255: 250: 247: 243: 241: 237: 233: 231: 227: 223: 222:Wide binaries 218: 216: 212: 211: 200: 198: 194: 193:trinary stars 190: 185: 183: 179: 175: 174:neutron stars 171: 167: 163: 159: 154: 152: 148: 144: 140: 139:binary system 129: 126: 118: 115:February 2015 107: 104: 100: 97: 93: 90: 86: 83: 79: 76: –  75: 71: 70:Find sources: 64: 60: 54: 53: 48:This article 46: 42: 37: 36: 30: 23: 22:Binary number 508: 503:Bibliography 471:. Retrieved 467: 457: 446:. Retrieved 442:the original 428: 415: 409: 391: 293: 278:Solar System 253: 251: 245: 244: 235: 234: 229: 225: 221: 219: 214: 208: 206: 188: 186: 166:brown dwarfs 158:binary stars 155: 138: 136: 121: 112: 102: 95: 88: 81: 69: 57:Please help 52:verification 49: 357:Binary star 178:black holes 519:Categories 448:2011-01-08 383:References 316:barycenter 300:90 Antiope 85:newspapers 401:Space.com 306:systems. 215:secondary 436:. IAU / 330:See also 302:and the 182:galaxies 473:15 July 240:eclipse 210:primary 170:planets 99:scholar 312:Charon 274:Charon 164:, but 101:  94:  87:  80:  72:  324:Vanth 320:Orcus 308:Pluto 270:Pluto 106:JSTOR 92:books 475:2015 195:and 180:and 160:and 78:news 282:Sun 217:. 153:.) 61:by 521:: 466:. 418:. 399:. 199:. 187:A 176:, 172:, 168:, 137:A 477:. 451:. 422:. 284:. 128:) 122:( 117:) 113:( 103:· 96:· 89:· 82:· 55:. 31:. 24:.

Index

Binary number
Binary system (disambiguation)

verification
improve this article
adding citations to reliable sources
"Binary system"
news
newspapers
books
scholar
JSTOR
Learn how and when to remove this message
astronomical bodies
center of mass
animated examples
binary stars
binary asteroids
brown dwarfs
planets
neutron stars
black holes
galaxies
trinary stars
trinary asteroids
primary
eclipse

Pluto
Charon

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