Knowledge (XXG)

Zone of Avoidance

Source đź“ť

1046: 569: 124: 1106: 1020: 1010: 31: 1070: 1094: 1082: 1058: 313:
Renée C. Kraan-Korteweg; Michelle E. Cluver; Maciej Bilicki; Thomas H. Jarrett; Matthew Colless; Ahmed Elagali; Hans Böhringer; Gayoung Chon (8 November 2016). "Discovery of a supercluster in the Zone of Avoidance in Vela".
237:"Scientists Discover Huge 'Extragalactic Structure' in Hidden Region of Space - The obscured "zone of avoidance" in space is a place of mystery, and scientists are peering at what's inside it" 166:
by their infrared emission in 1968. Even so, approximately 10% of the sky remains difficult to survey as extragalactic objects can be confused with stars in the Milky Way.
142:
at optical wavelengths, and foreground stars can be confused with background galaxies. However, the effect of extinction drops at longer wavelengths, such as the
83: 568: 1045: 236: 900: 738: 506: 478: 426:
Kraan-Korteweg, R. C.; Staveley-Smith, L.; Donley, J.; Henning, P. A. (November 5, 2003). "The Universe behind the Southern Milky Way".
181:), have detected many galaxies that could not be detected in the infrared. Examples of galaxies detected from their HI emission include 264: 980: 138:
Many projects have attempted to bridge the gap in knowledge caused by the Zone of Avoidance. The dust and gas in the Milky Way cause
431: 975: 820: 714: 205: 825: 1036: 630: 650: 920: 123: 850: 815: 612: 471: 762: 757: 139: 990: 915: 865: 860: 531: 146:, and the Milky Way is effectively transparent at radio wavelengths. Surveys in the infrared, such as 870: 855: 724: 445: 398: 333: 1098: 935: 545: 1009: 1126: 1086: 1074: 1023: 930: 885: 719: 525: 464: 435: 414: 388: 323: 112: 154:, have given a more complete picture of the extragalactic sky. Two very large nearby galaxies, 985: 810: 767: 749: 698: 683: 349: 193: 128: 100: 115:. As a result, optical galaxy catalogues are usually incomplete close to the galactic plane. 1013: 945: 805: 406: 402: 357: 341: 379:
Kraan-Korteweg, Renée C.; Lahav, Ofer (May 24, 2000). "The Universe behind the Milky Way".
678: 587: 241: 215: 70: 449: 337: 1110: 1050: 940: 830: 703: 655: 600: 210: 108: 169:
Projects to survey the Zone of Avoidance at radio wavelengths, particularly using the
1120: 925: 880: 800: 670: 660: 622: 595: 178: 127:
The limits of observation as visualized by the Milky Way's star density map. Source:
78: 418: 1105: 1062: 895: 845: 777: 693: 688: 605: 163: 795: 30: 17: 840: 835: 790: 645: 519: 513: 186: 182: 96: 538: 170: 353: 955: 890: 785: 708: 640: 635: 499: 487: 345: 192:
Recent astronomical studies revealed a supercluster of galaxies, termed the
59: 410: 361: 265:"A Giant 'Wall' of Galaxies Has Been Found Stretching Across The Universe" 552: 440: 393: 174: 159: 155: 143: 950: 910: 905: 74: 1057: 328: 875: 151: 147: 104: 460: 111:) obstruct the view of around 20% of the extragalactic sky at 34:
The Milky Way creates a Zone of Avoidance for local observers.
567: 456: 316:
Monthly Notices of the Royal Astronomical Society: Letters
1034: 968: 776: 748: 737: 669: 621: 586: 579: 494: 293:. London, UK: Philip's – via Credo Reference. 58:), is the area of the sky that is obscured by the 65:The Zone of Avoidance was originally called the 289:Robinson, L. J.; Tirion, W.; Moore, P. (2002). 196:, in the Great Attractor's theorized location. 162:, were discovered in the Zone of Avoidance by 472: 189:, discovered in 1994 and 1996, respectively. 8: 745: 583: 479: 465: 457: 428:Maps of the Cosmos – ASP Conference Series 439: 392: 327: 122: 29: 1041: 561:) may be read as "within" or "part of". 227: 69:in an 1878 paper by English astronomer 303:Kraan-Korteweg & Lahav. 2000, p. 2 73:that referred to the distribution of " 381:The Astronomy and Astrophysics Review 27:Area of sky obscured by the Milky Way 7: 235:Ferreira, Becky (3 November 2022). 177:(known in astronomical parlance as 107:in the plane of the Milky Way (the 95:When viewing space from Earth, the 171:21 cm spin-flip emission line 25: 1104: 1092: 1080: 1068: 1056: 1044: 1019: 1018: 1008: 432:International Astronomical Union 263:Starr, Michelle (14 July 2020). 206:Extragalactic background light 1: 981:Andromeda–Milky Way collision 84:General Catalogue of Nebulae 52:Zone of Galactic Obscuration 1143: 1004: 565: 613:Supermassive black hole 403:2000A&ARv..10..211K 901:Sagittarius Spheroidal 763:Small Magellanic Cloud 758:Large Magellanic Cloud 715:Pisces-Eridanus stream 573: 291:Astronomy encyclopedia 135: 35: 571: 532:Laniakea Supercluster 411:10.1007/s001590000011 346:10.1093/MNRASL/SLW229 126: 33: 572:The Milky Way Galaxy 134:'s 2021 data release 546:Observable universe 450:2003astro.ph.11129K 338:2017MNRAS.466L..29K 119:Modern developments 113:visible wavelengths 67:Zone of Few Nebulae 886:Pisces Overdensity 720:Sagittarius Stream 631:Carina–Sagittarius 574: 526:Virgo Supercluster 507:Milky Way subgroup 430:. ASP Conference. 173:of neutral atomic 136: 36: 1032: 1031: 996:Zone of Avoidance 964: 963: 811:Canes Venatici II 768:Magellanic Bridge 750:Magellanic Clouds 733: 732: 699:Magellanic Stream 684:Fimbulthul stream 194:Vela Supercluster 101:interstellar dust 40:Zone of Avoidance 18:Zone of avoidance 16:(Redirected from 1134: 1109: 1108: 1097: 1096: 1095: 1085: 1084: 1083: 1073: 1072: 1071: 1061: 1060: 1049: 1048: 1040: 1022: 1021: 1014:Astronomy portal 1012: 806:Canes Venatici I 746: 651:Scutum–Centaurus 584: 562: 560: 551: 544: 537: 530: 524: 518: 512: 505: 481: 474: 467: 458: 453: 443: 441:astro-ph/0311129 422: 396: 394:astro-ph/0005501 366: 365: 331: 310: 304: 301: 295: 294: 286: 280: 279: 277: 275: 269:ScienceAlert.com 260: 254: 253: 251: 249: 232: 21: 1142: 1141: 1137: 1136: 1135: 1133: 1132: 1131: 1117: 1116: 1115: 1103: 1093: 1091: 1081: 1079: 1069: 1067: 1055: 1043: 1035: 1033: 1028: 1000: 976:Alternate names 960: 772: 740: 729: 679:Aquarius Stream 665: 617: 588:Galactic Center 575: 563: 558: 556: 555: 549: 542: 535: 528: 522: 516: 510: 503: 490: 485: 425: 378: 375: 370: 369: 312: 311: 307: 302: 298: 288: 287: 283: 273: 271: 262: 261: 257: 247: 245: 234: 233: 229: 224: 216:Great Attractor 202: 121: 93: 71:Richard Proctor 28: 23: 22: 15: 12: 11: 5: 1140: 1138: 1130: 1129: 1119: 1118: 1114: 1113: 1101: 1089: 1077: 1065: 1053: 1030: 1029: 1027: 1026: 1016: 1005: 1002: 1001: 999: 998: 993: 988: 986:Baade's Window 983: 978: 972: 970: 966: 965: 962: 961: 959: 958: 953: 948: 943: 941:Ursa Major III 938: 933: 928: 923: 918: 913: 908: 903: 898: 893: 888: 883: 878: 873: 868: 863: 858: 853: 848: 843: 838: 833: 828: 826:Coma Berenices 823: 818: 813: 808: 803: 798: 793: 788: 782: 780: 774: 773: 771: 770: 765: 760: 754: 752: 743: 735: 734: 731: 730: 728: 727: 722: 717: 712: 706: 704:Monoceros Ring 701: 696: 691: 686: 681: 675: 673: 667: 666: 664: 663: 658: 656:Near 3 kpc Arm 653: 648: 643: 638: 633: 627: 625: 619: 618: 616: 615: 610: 609: 608: 601:Sagittarius A* 598: 592: 590: 581: 577: 576: 566: 564: 498: 496: 492: 491: 486: 484: 483: 476: 469: 461: 455: 454: 423: 387:(3): 211–261. 374: 371: 368: 367: 322:(1): L29–L33. 305: 296: 281: 255: 226: 225: 223: 220: 219: 218: 213: 211:Galactic plane 208: 201: 198: 120: 117: 109:galactic plane 92: 89: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 1139: 1128: 1125: 1124: 1122: 1112: 1107: 1102: 1100: 1090: 1088: 1078: 1076: 1066: 1064: 1059: 1054: 1052: 1047: 1042: 1038: 1025: 1017: 1015: 1011: 1007: 1006: 1003: 997: 994: 992: 989: 987: 984: 982: 979: 977: 974: 973: 971: 967: 957: 954: 952: 949: 947: 944: 942: 939: 937: 936:Ursa Major II 934: 932: 929: 927: 926:Triangulum II 924: 922: 919: 917: 914: 912: 909: 907: 904: 902: 899: 897: 894: 892: 889: 887: 884: 882: 879: 877: 874: 872: 869: 867: 864: 862: 859: 857: 854: 852: 849: 847: 844: 842: 839: 837: 834: 832: 829: 827: 824: 822: 819: 817: 814: 812: 809: 807: 804: 802: 799: 797: 794: 792: 789: 787: 784: 783: 781: 779: 775: 769: 766: 764: 761: 759: 756: 755: 753: 751: 747: 744: 742: 736: 726: 723: 721: 718: 716: 713: 710: 707: 705: 702: 700: 697: 695: 692: 690: 687: 685: 682: 680: 677: 676: 674: 672: 668: 662: 661:Far 3 kpc Arm 659: 657: 654: 652: 649: 647: 644: 642: 639: 637: 634: 632: 629: 628: 626: 624: 620: 614: 611: 607: 606:Fermi bubbles 604: 603: 602: 599: 597: 596:Sagittarius A 594: 593: 591: 589: 585: 582: 578: 570: 554: 547: 540: 533: 527: 521: 515: 508: 501: 497: 493: 489: 482: 477: 475: 470: 468: 463: 462: 459: 451: 447: 442: 437: 433: 429: 424: 420: 416: 412: 408: 404: 400: 395: 390: 386: 382: 377: 376: 372: 363: 359: 355: 351: 347: 343: 339: 335: 330: 325: 321: 317: 309: 306: 300: 297: 292: 285: 282: 270: 266: 259: 256: 244: 243: 238: 231: 228: 221: 217: 214: 212: 209: 207: 204: 203: 199: 197: 195: 190: 188: 184: 180: 176: 172: 167: 165: 161: 157: 153: 149: 145: 141: 133: 131: 125: 118: 116: 114: 110: 106: 102: 98: 90: 88: 86: 85: 80: 79:John Herschel 76: 72: 68: 63: 61: 57: 53: 49: 45: 41: 32: 19: 1099:Solar System 995: 991:In mythology 931:Ursa Major I 896:Reticulum II 725:Virgo Stream 694:Helmi stream 689:Gaia Sausage 641:Orion–Cygnus 636:Norma–Cygnus 557:Each arrow ( 427: 384: 380: 319: 315: 308: 299: 290: 284: 272:. Retrieved 268: 258: 246:. Retrieved 240: 230: 191: 168: 164:Paolo Maffei 137: 129: 94: 82: 66: 64: 55: 51: 47: 43: 39: 37: 1087:Outer space 1075:Spaceflight 841:Eridanus II 816:Canis Major 520:Local Sheet 514:Local Group 187:Dwingeloo 2 183:Dwingeloo 1 97:attenuation 946:Ursa Minor 801:Boötes III 539:Local Hole 329:1611.04615 248:3 November 222:References 140:extinction 132:spacecraft 91:Background 1127:Milky Way 956:Willman 1 891:Pisces II 796:Boötes II 786:Antlia II 739:Satellite 709:Palomar 5 580:Structure 500:Milky Way 488:Milky Way 362:Q55892376 354:1745-3933 60:Milky Way 1121:Category 1024:Category 916:Sculptor 851:Hercules 831:Crater 2 791:Boötes I 741:galaxies 553:Universe 495:Location 419:14760994 358:Wikidata 200:See also 179:H I line 175:hydrogen 160:Maffei 2 156:Maffei 1 144:infrared 1111:Science 1051:Physics 1037:Portals 969:Related 951:Virgo I 921:Sextans 911:Segue 2 906:Segue 1 881:Phoenix 646:Perseus 446:Bibcode 399:Bibcode 373:Sources 334:Bibcode 274:19 July 75:nebulae 866:Leo IV 861:Leo II 846:Fornax 821:Carina 778:Dwarfs 711:stream 548:  541:  534:  509:  502:  417:  360:  352:  50:), or 1063:Stars 876:Leo T 871:Leo V 856:Leo I 836:Draco 436:arXiv 415:S2CID 389:arXiv 324:arXiv 152:2MASS 105:stars 77:" in 671:Halo 623:Disk 350:ISSN 276:2020 250:2022 242:Vice 185:and 158:and 150:and 148:IRAS 130:Gaia 103:and 38:The 407:doi 342:doi 320:466 81:'s 56:ZGO 48:ZoA 44:ZOA 1123:: 444:. 434:. 413:. 405:. 397:. 385:10 383:. 356:. 348:. 340:. 332:. 318:. 267:. 239:. 99:, 87:. 62:. 46:, 1039:: 559:→ 550:→ 543:→ 536:→ 529:→ 523:→ 517:→ 511:→ 504:→ 480:e 473:t 466:v 452:. 448:: 438:: 421:. 409:: 401:: 391:: 364:. 344:: 336:: 326:: 278:. 252:. 54:( 42:( 20:)

Index

Zone of avoidance

Milky Way
Richard Proctor
nebulae
John Herschel
General Catalogue of Nebulae
attenuation
interstellar dust
stars
galactic plane
visible wavelengths

Gaia spacecraft
extinction
infrared
IRAS
2MASS
Maffei 1
Maffei 2
Paolo Maffei
21 cm spin-flip emission line
hydrogen
H I line
Dwingeloo 1
Dwingeloo 2
Vela Supercluster
Extragalactic background light
Galactic plane
Great Attractor

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.

↑