Knowledge (XXG)

Bullet Cluster

Source 📝

306:(MOND), the lensing would be expected to follow the baryonic matter; i.e. the X-ray gas. However, the lensing is strongest in two separated regions near (possibly coincident with) the visible galaxies. This provides support for the idea that most of the gravitation in the cluster pair is in the form of two regions of dark matter, which bypassed the gas regions during the collision. This accords with predictions of dark matter as only gravitationally interacting, other than weakly interacting. 2670: 2718: 51: 2742: 310: 2694: 397:
pairs. Earlier work claiming the Bullet Cluster was inconsistent with standard cosmology was based on an erroneous estimate of the in-fall velocity based on the speed of the shock in the X-ray-emitting gas. Based on the analysis of the shock driven by the merger, it was recently argued that a lower merger velocity ~3,950 km/s is consistent with the
2730: 2706: 373:-emitting gas, but this gas lags behind the subcluster galaxies. Furthermore, the dark matter clump, revealed by the weak lensing map, is coincident with the collisionless galaxies, but lies ahead of the collisional gas. This—and other similar observations—allow good limits on the cross-section of the self-interaction of dark matter. 396:
A 2010 study claimed that the velocities of the collision are "incompatible with the prediction of a LCDM model". However, subsequent work has found the collision to be consistent with LCDM simulations, with the previous discrepancy stemming from small simulations and the methodology of identifying
1309:
Bradač, Maruơa; Clowe, Douglas; Gonzalez, Anthony H.; Marshall, Phil; Forman, William; Jones, Christine; Markevitch, Maxim; Randall, Scott; Schrabback, Tim; Zaritsky, Dennis (2006). "Strong and Weak Lensing United. III. Measuring the Mass Distribution of the Merging Galaxy Cluster 1ES 0657−558".
368:
observations of the 'bullet cluster' (1E0657-56; Fig. 2) by Markevitch et al. (2004) and Clowe et al. (2004). Those authors report that the cluster is undergoing a high-velocity (around 4,500 km/s) merger, evident from the spatial distribution of the hot,
419:
Another study in 2006 cautions against "simple interpretations of the analysis of weak lensing in the bullet cluster", leaving it open that even in the non-symmetrical case of the Bullet Cluster, MOND, or rather its relativistic version TeVeS
619:
M. Markevitch; A. H. Gonzalez; D. Clowe; A. Vikhlinin; L. David; W. Forman; C. Jones; S. Murray & W. Tucker (2004). "Direct constraints on the dark matter self-interaction cross-section from the merging galaxy cluster 1E0657-56".
416:, has posted an online rebuttal of claims that the Bullet Cluster proves the existence of dark matter. He contends that the observed characteristics of the Bullet Cluster could just as well be caused by undetected standard matter. 348:
The Bullet Cluster provides strong evidence for the nature of dark matter and provides "evidence against some of the more popular versions of Modified Newtonian dynamics (MOND)" as applied to large galactic clusters. At a
336:
kelvin gas in the main cluster at a speed of about nearly 10 million km/h (6 million miles per hour)". The bow shock radiation output is equivalent to the energy of 10 typical
1262:
Clowe, Douglas; Bradač, Maruơa; Gonzalez, Anthony H.; Markevitch, Maxim; Randall, Scott W.; Jones, Christine; Zaritsky, Dennis (2006). "A Direct Empirical Proof of the Existence of Dark Matter".
357:, it was found that the spatial offset of the center of the total mass from the center of the baryonic mass peaks cannot be explained with an alteration of the gravitational force law alone. 673:
Brada, M; Allen, S. W; Ebeling, H; Massey, R; Morris, R. G; von der Linden, A; Applegate, D (2008). "Revealing the Properties of Dark Matter in the Merging Cluster MACS J0025.4-1222".
563:
Clowe, Douglas; Gonzalez, Anthony; Markevich, Maxim (2004). "Weak lensing mass reconstruction of the interacting cluster 1E0657-558: Direct evidence for the existence of dark matter".
1544: 1579: 1114:
Di Mascolo, L.; Mroczkowski; Churazov, E.; Markevitch, M.; Basu, K.; Clarke, T.E.; et al. (2019). "An ALMA+ACA measurement of the shock in the Bullet Cluster".
324:. It provides an observable constraint for cosmological models, which may diverge at temperatures beyond their predicted critical cluster temperature. Observed from 271:
and the putative dark matter—behave differently during collision, allowing them to be studied separately. The stars of the galaxies, observable in visible
766: 1533: 1410:
Angus, Garry W.; Shan, HuanYuan; Zhao, HongSheng; Famaey, Benoit (2006). "On the Proof of Dark Matter, the Law of Gravity and the Mass of Neutrinos".
421: 313:
X-ray image (pink) superimposed over a visible light image (galaxies), with matter distribution calculated from gravitational lensing (blue)
1572: 454: 385:
of the bullet subcluster is not exceptionally high for a cluster substructure, and can be accommodated within the currently favoured
1171: 2762: 2673: 1565: 2596: 883:
Tucker, W.; Blanco, P.; Rappoport, S.; David, L.; Fabricant, D.; Falco, E.E.; Forman, W.; Dressler, A.; Ramella, M. (2006).
226: 2684: 398: 2640: 1604: 413: 401:
and X-ray data, provided that the equilibration of the electron and ion downstream temperatures is not instantaneous.
303: 2141: 332:
located near the right side of the cluster" formed as "70 million kelvin gas in the sub-cluster plowed through
321: 1681: 726: 365: 56: 2772: 2131: 1523: 485:; Blanco, P.; Rappoport, S. (March 1998). "1E 0657-56: A Contender for the Hottest Known Cluster of Galaxies". 350: 1599: 1530: 541: 2067: 1588: 774: 482: 446:– a similar galaxy cluster whose dark and luminous matter may have been separated during a major collision 142: 95: 2516: 2332: 1904: 328:, the subcluster passed through the cluster center 150 million years ago, creating a "bow-shaped 2767: 1472: 1380: 1329: 1281: 1223: 1133: 1078: 1018: 963: 906: 885:"Recent and Future Observations in the X-ray and Gamma-ray Bands: Chandra, Suzaku, GLAST, and NuSTAR" 849: 796: 692: 639: 582: 504: 179: 2546: 1359:"Can MOND take a bullet? Analytical comparisons of three versions of MOND beyond spherical symmetry" 1202:"Can MOND take a bullet? Analytical comparisons of three versions of MOND beyond spherical symmetry" 2746: 291:
interact electromagnetically, causing the gases of both clusters to slow much more than the stars.
288: 234: 152: 2136: 2734: 2722: 1490: 1462: 1437: 1419: 1398: 1370: 1345: 1319: 1297: 1271: 1241: 1213: 1149: 1123: 1068: 1034: 1008: 981: 953: 922: 896: 865: 839: 708: 682: 655: 629: 598: 572: 520: 494: 295: 244: 1516: 830:
Clowe, Douglas; et al. (2006). "A Direct Empirical Proof of the Existence of Dark Matter".
1526:
36 color images and text slides modelling the existence of Dark Matter from Bullet cluster data
2531: 1623: 1096: 1057:"The rise and fall of a challenger: The Bullet Cluster in Lambda cold dark matter simulations" 299: 252: 81: 78: 1451:"The Bullet Cluster 1E0657-558 evidence shows modified gravity in the absence of dark matter" 2698: 1480: 1429: 1388: 1337: 1289: 1231: 1167: 1141: 1137: 1086: 1026: 971: 914: 857: 700: 647: 590: 512: 409: 386: 884: 1661: 1641: 1537: 999:
Lee, Jounghun; Komatsu, Eiichiro (2010). "Bullet Cluster: A Challenge to LCDM Cosmology".
276: 247:
studies of the Bullet Cluster are claimed to provide strong evidence for the existence of
102: 795:
Markevitch, M.; Randall, S.; Clowe, D.; Gonzalez, A. & Bradac, M. (16–23 July 2006).
1476: 1384: 1333: 1285: 1227: 1082: 1022: 967: 910: 853: 816: 696: 643: 586: 508: 493:(1). David, L.; Fabricant, D.; Falco, E. E.; Forman, W.; Dressler, A.; Ramella, M.: L5. 2614: 2151: 2146: 438: 279:
slowed but not otherwise altered. The hot gas of the two colliding components, seen in
218: 1179: 2756: 2511: 2396: 1671: 1651: 1494: 1485: 1450: 1393: 1358: 1349: 1236: 1201: 1153: 1038: 1030: 976: 941: 659: 158: 89: 35: 1441: 1402: 1245: 985: 926: 712: 602: 524: 2710: 2431: 2321: 2282: 2277: 2272: 2267: 2262: 2257: 1894: 1859: 1849: 1844: 1839: 1834: 1829: 1819: 1814: 1809: 1804: 1794: 1789: 1784: 1779: 1769: 1656: 1636: 1502: 1301: 869: 449: 433: 31: 1145: 2653: 2426: 2421: 2416: 2302: 2186: 2181: 2176: 2161: 1889: 1884: 1879: 1874: 1869: 1666: 1646: 1509: 318: 248: 114: 2648: 2521: 2391: 2386: 2307: 2297: 2292: 2287: 2171: 2166: 1764: 1759: 1754: 1749: 1744: 1739: 1734: 1729: 1724: 1719: 1714: 730: 329: 237: 225:
refers to the smaller subcluster, moving away from the larger one. It is at a
166: 17: 1100: 275:, were not greatly affected by the collision, and most passed right through, 2411: 2249: 1912: 1709: 1699: 1689: 1091: 1056: 443: 389: 50: 1557: 309: 2580: 2526: 2495: 2490: 2485: 2480: 2475: 2470: 2465: 2460: 2370: 2365: 2360: 2355: 2350: 2345: 2340: 2115: 2110: 2105: 2100: 2095: 2090: 2085: 2080: 2075: 2057: 2052: 2047: 2042: 2032: 2027: 2022: 2012: 2002: 1997: 1992: 1987: 1982: 1977: 1972: 1967: 1962: 1952: 1947: 1942: 1937: 1932: 1917: 1864: 1854: 1799: 1774: 1704: 1694: 1549:
Science News August 22, 2006 Colliding Clusters Shed Light on Dark Matter
1467: 1424: 1375: 1324: 1276: 1218: 958: 901: 844: 634: 577: 499: 382: 132: 64: 71:) = 0.3, meaning its light has wavelengths stretched by a factor of 1.3. 2541: 2536: 2406: 2401: 2191: 2156: 2037: 2017: 2007: 1957: 1927: 1922: 1824: 1631: 746: 918: 2565: 2551: 2445: 2231: 2226: 2221: 2201: 2196: 337: 333: 294:
The third component, the dark matter, was detected indirectly by the
284: 230: 60: 2705: 1433: 1341: 1293: 1128: 861: 704: 651: 594: 516: 2216: 2211: 2206: 1073: 1013: 687: 370: 325: 308: 280: 272: 735:(image and description). Chandra photo album. Harvard University. 1614: 1055:
Thompson, Robert; Davé, Romeel; Nagamine, Kentaro (2015-09-01).
264: 243:
The object is of a particular note for astrophysicists, because
188: 1561: 1519:
showing how the dark matter and normal matter become separated.
287:, or "ordinary", matter in the cluster pair. The gases of the 268: 804:. 36th COSPAR Scientific Assembly (abstract). Beijing, China. 767:"The dynamical status of the cluster of galaxies 1E0657-56" 251:. Observations of other galaxy cluster collisions, such as 27:
Two colliding clusters of galaxies in constellation Carina
946:
Monthly Notices of the Royal Astronomical Society Letters
424:), could account for the observed gravitational lensing. 59:. Exposure time was 140 hours. The scale is shown in mega 364:
Particularly compelling results were inferred from the
1551:
that includes a movie of a simulation of the collision
2682: 2639: 2613: 2589: 2573: 2564: 2504: 2453: 2444: 2379: 2331: 2320: 2248: 2124: 2066: 1903: 1680: 1622: 1613: 732:
1E 0657-56: A bow shock in a merging galaxy cluster
197: 186: 164: 151: 141: 131: 123: 113: 101: 88: 76: 43: 1510:1E 0657-56: NASA Finds Direct Proof of Dark Matter 255:, similarly support the existence of dark matter. 1455:Monthly Notices of the Royal Astronomical Society 1363:Monthly Notices of the Royal Astronomical Society 1061:Monthly Notices of the Royal Astronomical Society 379: 362: 1357:Angus, G. W.; Famaey, B.; Zhao, H. S. (2006). 1573: 1172:"Milgrom's perspective on the Bullet Cluster" 614: 612: 8: 1200:G.W. Angus; B. Famaey & H. Zhao (2006). 477: 475: 473: 471: 469: 2636: 2610: 2570: 2450: 2328: 2245: 1619: 1580: 1566: 1558: 49: 1540:(NASA Press Release 06-096) Aug. 21, 2006 1484: 1466: 1449:Brownstein, J. R.; Moffat, J. W. (2007). 1423: 1392: 1374: 1323: 1275: 1235: 1217: 1127: 1090: 1072: 1012: 975: 957: 900: 843: 686: 633: 576: 498: 263:The major components of the cluster pair— 1505:(The Chandra Chronicles) August 21, 2006 2689: 1512:Combined image of x-rays, visual and DM 542:"NED results for object Bullet Cluster" 465: 1531:NASA Finds Direct Proof of Dark Matter 119:−55° 57′ 0″ 40: 1503:Bedeviling Devil's Advocate Cosmology 1050: 1048: 940:Hayashi, Eric; White, ? (2006). 536: 534: 193:5.6 ± 0.6 × 10 watt/cm (0.1–2.4 keV) 7: 147:1.141 Gpc (3.7 billion light-years). 798:Dark Matter and the Bullet Cluster 455:List of galaxy groups and clusters 25: 1524:Harvard Symposium: Markevitch PDF 942:"How rare is the Bullet Cluster?" 832:The Astrophysical Journal Letters 317:The Bullet Cluster is one of the 2740: 2728: 2716: 2704: 2692: 2669: 2668: 1486:10.1111/j.1365-2966.2007.12275.x 1394:10.1111/j.1365-2966.2006.10668.x 1237:10.1111/j.1365-2966.2006.10668.x 977:10.1111/j.1745-3933.2006.00184.x 819:(abstract). Harvard University. 2597:Carina Dwarf Spheroidal Galaxy 815:Randall, Scott (31 May 2006). 221:. Strictly speaking, the name 1: 544:. NASA Extragalactic Database 487:Astrophysical Journal Letters 302:without dark matter, such as 422:tensor–vector–scalar gravity 360:According to Greg Madejski: 217:) consists of two colliding 1605:Carina in Chinese astronomy 1146:10.1051/0004-6361/201936184 414:Modified Newtonian dynamics 412:, the original proposer of 405:Alternative interpretations 377:According to Eric Hayashi: 344:Significance to dark matter 304:Modified Newtonian dynamics 2789: 1517:animation of the collision 1116:Astronomy and Astrophysics 1031:10.1088/0004-637X/718/1/60 889:AIP Conference Proceedings 298:of background objects. In 29: 2666: 2635: 2609: 2244: 1595: 1412:The Astrophysical Journal 1312:The Astrophysical Journal 1264:The Astrophysical Journal 727:Chandra X-ray Observatory 675:The Astrophysical Journal 283:, represents most of the 202: 57:Chandra X-ray Observatory 48: 1206:Mon. Not. R. Astron. Soc 399:Sunyaev–Zeldovich effect 351:statistical significance 227:comoving radial distance 30:Not to be confused with 1600:List of stars in Carina 1589:Constellation of Carina 1138:2019A&A...628A.100D 203:1E 0657-56, 1E 0657-558 2763:Carina (constellation) 773:. 2002. Archived from 394: 375: 314: 2517:Finger of God Globule 2308:HD 95086 b (Levantes) 1092:10.1093/mnras/stv1433 1001:Astrophysical Journal 312: 296:gravitational lensing 245:gravitational lensing 1543:Scientific American 322:clusters of galaxies 219:clusters of galaxies 2641:Astronomical events 1545:Scientific American 1477:2007MNRAS.382...29B 1385:2006MNRAS.371..138A 1334:2006ApJ...652..937B 1286:2006ApJ...648L.109C 1228:2006MNRAS.371..138A 1083:2015MNRAS.452.3030T 1023:2010ApJ...718...60L 968:2006MNRAS.370L..38H 911:2005AIPC..801...21M 854:2006ApJ...648L.109C 771:edpsciences-usa.org 697:2008ApJ...687..959B 644:2004ApJ...606..819M 587:2004ApJ...604..596C 509:1998ApJ...496L...5T 289:Intracluster medium 2288:HD 63765 b (Yvaga) 1536:2017-06-25 at the 315: 198:Other designations 124:Number of galaxies 77:Observation data ( 2680: 2679: 2662: 2661: 2631: 2630: 2605: 2604: 2560: 2559: 2532:Homunculus Nebula 2440: 2439: 2316: 2315: 2240: 2239: 919:10.1063/1.2141828 817:"Lunch-time talk" 253:MACS J0025.4-1222 207: 206: 16:(Redirected from 2780: 2745: 2744: 2743: 2733: 2732: 2731: 2721: 2720: 2719: 2709: 2708: 2697: 2696: 2695: 2688: 2672: 2671: 2637: 2611: 2571: 2451: 2329: 2246: 1700:T (not variable) 1620: 1582: 1575: 1568: 1559: 1498: 1488: 1470: 1468:astro-ph/0702146 1445: 1427: 1425:astro-ph/0609125 1406: 1396: 1378: 1376:astro-ph/0606216 1353: 1327: 1325:astro-ph/0608408 1305: 1279: 1277:astro-ph/0608407 1270:(2): L109–L113. 1250: 1249: 1239: 1221: 1219:astro-ph/0606216 1197: 1191: 1190: 1189: 1187: 1182:on July 21, 2016 1178:, archived from 1164: 1158: 1157: 1131: 1111: 1105: 1104: 1094: 1076: 1067:(3): 3030–3037. 1052: 1043: 1042: 1016: 996: 990: 989: 979: 961: 959:astro-ph/0604443 937: 931: 930: 904: 902:astro-ph/0512012 880: 874: 873: 847: 845:astro-ph/0608407 838:(2): L109–L113. 827: 821: 820: 812: 806: 805: 803: 792: 786: 785: 783: 782: 763: 757: 756: 743: 737: 736: 723: 717: 716: 690: 670: 664: 663: 637: 635:astro-ph/0309303 616: 607: 606: 580: 578:astro-ph/0312273 560: 554: 553: 551: 549: 538: 529: 528: 502: 500:astro-ph/9801120 479: 410:Mordehai Milgrom 387:Lambda-CDM model 356: 334:100 million 109: 53: 41: 21: 2788: 2787: 2783: 2782: 2781: 2779: 2778: 2777: 2773:Galaxy clusters 2753: 2752: 2751: 2741: 2739: 2729: 2727: 2717: 2715: 2703: 2693: 2691: 2683: 2681: 2676: 2658: 2627: 2615:Galaxy clusters 2601: 2585: 2556: 2547:IGR J11014−6103 2500: 2436: 2375: 2323: 2312: 2236: 2120: 2081:63765 (Tapecue) 2062: 1899: 1676: 1637:ÎČ (Miaplacidus) 1609: 1591: 1586: 1555: 1538:Wayback Machine 1448: 1409: 1356: 1308: 1261: 1258: 1256:Further reading 1253: 1199: 1198: 1194: 1185: 1183: 1166: 1165: 1161: 1113: 1112: 1108: 1054: 1053: 1046: 998: 997: 993: 939: 938: 934: 882: 881: 877: 829: 828: 824: 814: 813: 809: 801: 794: 793: 789: 780: 778: 765: 764: 760: 753:spaceimages.com 745: 744: 740: 725: 724: 720: 672: 671: 667: 618: 617: 610: 562: 561: 557: 547: 545: 540: 539: 532: 481: 480: 467: 463: 430: 407: 354: 346: 277:gravitationally 261: 177: 171:1.4 ± 0.3 × 10 153:ICM temperature 107: 103:Right ascension 72: 55:X-ray photo by 39: 28: 23: 22: 15: 12: 11: 5: 2786: 2784: 2776: 2775: 2770: 2765: 2755: 2754: 2750: 2749: 2737: 2725: 2713: 2701: 2678: 2677: 2667: 2664: 2663: 2660: 2659: 2657: 2656: 2651: 2645: 2643: 2633: 2632: 2629: 2628: 2626: 2625: 2623:Bullet Cluster 2619: 2617: 2607: 2606: 2603: 2602: 2600: 2599: 2593: 2591: 2587: 2586: 2584: 2583: 2577: 2575: 2568: 2562: 2561: 2558: 2557: 2555: 2554: 2549: 2544: 2539: 2534: 2529: 2524: 2519: 2514: 2508: 2506: 2502: 2501: 2499: 2498: 2493: 2488: 2483: 2478: 2473: 2468: 2463: 2457: 2455: 2448: 2442: 2441: 2438: 2437: 2435: 2434: 2429: 2424: 2419: 2414: 2409: 2404: 2399: 2394: 2389: 2383: 2381: 2377: 2376: 2374: 2373: 2368: 2363: 2358: 2353: 2348: 2343: 2337: 2335: 2326: 2318: 2317: 2314: 2313: 2311: 2310: 2305: 2300: 2295: 2290: 2285: 2280: 2275: 2270: 2265: 2260: 2254: 2252: 2242: 2241: 2238: 2237: 2235: 2234: 2229: 2224: 2219: 2214: 2209: 2204: 2199: 2194: 2189: 2184: 2179: 2174: 2169: 2164: 2159: 2154: 2149: 2144: 2139: 2134: 2128: 2126: 2122: 2121: 2119: 2118: 2113: 2108: 2103: 2098: 2093: 2088: 2083: 2078: 2072: 2070: 2064: 2063: 2061: 2060: 2055: 2050: 2045: 2040: 2035: 2030: 2025: 2020: 2015: 2010: 2005: 2000: 1995: 1990: 1985: 1980: 1975: 1970: 1965: 1960: 1955: 1950: 1945: 1940: 1935: 1930: 1925: 1920: 1915: 1909: 1907: 1901: 1900: 1898: 1897: 1892: 1887: 1882: 1877: 1872: 1867: 1862: 1857: 1852: 1847: 1842: 1837: 1832: 1827: 1822: 1817: 1812: 1807: 1802: 1797: 1792: 1787: 1782: 1777: 1772: 1767: 1762: 1757: 1752: 1747: 1742: 1737: 1732: 1727: 1722: 1717: 1712: 1707: 1702: 1697: 1692: 1686: 1684: 1678: 1677: 1675: 1674: 1669: 1664: 1659: 1654: 1649: 1644: 1639: 1634: 1628: 1626: 1617: 1611: 1610: 1608: 1607: 1602: 1596: 1593: 1592: 1587: 1585: 1584: 1577: 1570: 1562: 1553: 1552: 1541: 1527: 1520: 1513: 1506: 1499: 1446: 1434:10.1086/510738 1407: 1369:(1): 138–146. 1354: 1342:10.1086/508601 1318:(2): 937–947. 1306: 1294:10.1086/508162 1257: 1254: 1252: 1251: 1212:(1): 138–146. 1192: 1176:The MOND Pages 1159: 1106: 1044: 991: 952:(1): L38–L41. 932: 875: 862:10.1086/508162 822: 807: 787: 758: 738: 718: 705:10.1086/591246 665: 652:10.1086/383178 628:(2): 819–824. 608: 595:10.1086/381970 571:(2): 596–603. 555: 530: 517:10.1086/311234 464: 462: 459: 458: 457: 452: 447: 441: 439:Galaxy cluster 436: 429: 426: 406: 403: 345: 342: 260: 257: 229:of 1.141  223:Bullet Cluster 211:Bullet Cluster 205: 204: 200: 199: 195: 194: 191: 184: 183: 175: 169: 162: 161: 155: 149: 148: 145: 139: 138: 135: 129: 128: 125: 121: 120: 117: 111: 110: 105: 99: 98: 93: 86: 85: 74: 73: 54: 46: 45: 44:Bullet Cluster 26: 24: 18:Bullet cluster 14: 13: 10: 9: 6: 4: 3: 2: 2785: 2774: 2771: 2769: 2766: 2764: 2761: 2760: 2758: 2748: 2738: 2736: 2726: 2724: 2714: 2712: 2707: 2702: 2700: 2690: 2686: 2675: 2665: 2655: 2652: 2650: 2647: 2646: 2644: 2642: 2638: 2634: 2624: 2621: 2620: 2618: 2616: 2612: 2608: 2598: 2595: 2594: 2592: 2588: 2582: 2579: 2578: 2576: 2572: 2569: 2567: 2563: 2553: 2550: 2548: 2545: 2543: 2540: 2538: 2535: 2533: 2530: 2528: 2525: 2523: 2520: 2518: 2515: 2513: 2512:Carina Nebula 2510: 2509: 2507: 2503: 2497: 2494: 2492: 2489: 2487: 2484: 2482: 2479: 2477: 2474: 2472: 2469: 2467: 2464: 2462: 2459: 2458: 2456: 2452: 2449: 2447: 2443: 2433: 2430: 2428: 2425: 2423: 2420: 2418: 2415: 2413: 2410: 2408: 2405: 2403: 2400: 2398: 2397:Collinder 228 2395: 2393: 2390: 2388: 2385: 2384: 2382: 2378: 2372: 2369: 2367: 2364: 2362: 2359: 2357: 2354: 2352: 2349: 2347: 2344: 2342: 2339: 2338: 2336: 2334: 2330: 2327: 2325: 2319: 2309: 2306: 2304: 2301: 2299: 2296: 2294: 2291: 2289: 2286: 2284: 2281: 2279: 2276: 2274: 2271: 2269: 2266: 2264: 2261: 2259: 2256: 2255: 2253: 2251: 2247: 2243: 2233: 2230: 2228: 2225: 2223: 2220: 2218: 2215: 2213: 2210: 2208: 2205: 2203: 2200: 2198: 2195: 2193: 2190: 2188: 2185: 2183: 2180: 2178: 2175: 2173: 2170: 2168: 2165: 2163: 2160: 2158: 2155: 2153: 2150: 2148: 2145: 2143: 2142:DEN 0817−6155 2140: 2138: 2135: 2133: 2130: 2129: 2127: 2123: 2117: 2114: 2112: 2109: 2107: 2104: 2102: 2099: 2097: 2094: 2092: 2089: 2087: 2084: 2082: 2079: 2077: 2074: 2073: 2071: 2069: 2065: 2059: 2056: 2054: 2051: 2049: 2046: 2044: 2041: 2039: 2036: 2034: 2031: 2029: 2026: 2024: 2021: 2019: 2016: 2014: 2011: 2009: 2006: 2004: 2001: 1999: 1996: 1994: 1991: 1989: 1986: 1984: 1981: 1979: 1976: 1974: 1971: 1969: 1966: 1964: 1961: 1959: 1956: 1954: 1951: 1949: 1946: 1944: 1941: 1939: 1936: 1934: 1931: 1929: 1926: 1924: 1921: 1919: 1916: 1914: 1911: 1910: 1908: 1906: 1902: 1896: 1893: 1891: 1888: 1886: 1883: 1881: 1878: 1876: 1873: 1871: 1868: 1866: 1863: 1861: 1858: 1856: 1853: 1851: 1848: 1846: 1843: 1841: 1838: 1836: 1833: 1831: 1828: 1826: 1823: 1821: 1818: 1816: 1813: 1811: 1808: 1806: 1803: 1801: 1798: 1796: 1793: 1791: 1788: 1786: 1783: 1781: 1778: 1776: 1773: 1771: 1768: 1766: 1763: 1761: 1758: 1756: 1753: 1751: 1748: 1746: 1743: 1741: 1738: 1736: 1733: 1731: 1728: 1726: 1723: 1721: 1718: 1716: 1713: 1711: 1708: 1706: 1703: 1701: 1698: 1696: 1693: 1691: 1688: 1687: 1685: 1683: 1679: 1673: 1670: 1668: 1665: 1663: 1660: 1658: 1657:Îč (Aspidiske) 1655: 1653: 1650: 1648: 1645: 1643: 1640: 1638: 1635: 1633: 1630: 1629: 1627: 1625: 1621: 1618: 1616: 1612: 1606: 1603: 1601: 1598: 1597: 1594: 1590: 1583: 1578: 1576: 1571: 1569: 1564: 1563: 1560: 1556: 1550: 1546: 1542: 1539: 1535: 1532: 1528: 1525: 1521: 1518: 1514: 1511: 1507: 1504: 1500: 1496: 1492: 1487: 1482: 1478: 1474: 1469: 1464: 1460: 1456: 1452: 1447: 1443: 1439: 1435: 1431: 1426: 1421: 1417: 1413: 1408: 1404: 1400: 1395: 1390: 1386: 1382: 1377: 1372: 1368: 1364: 1360: 1355: 1351: 1347: 1343: 1339: 1335: 1331: 1326: 1321: 1317: 1313: 1307: 1303: 1299: 1295: 1291: 1287: 1283: 1278: 1273: 1269: 1265: 1260: 1259: 1255: 1247: 1243: 1238: 1233: 1229: 1225: 1220: 1215: 1211: 1207: 1203: 1196: 1193: 1181: 1177: 1173: 1169: 1168:Milgrom, Moti 1163: 1160: 1155: 1151: 1147: 1143: 1139: 1135: 1130: 1125: 1121: 1117: 1110: 1107: 1102: 1098: 1093: 1088: 1084: 1080: 1075: 1070: 1066: 1062: 1058: 1051: 1049: 1045: 1040: 1036: 1032: 1028: 1024: 1020: 1015: 1010: 1006: 1002: 995: 992: 987: 983: 978: 973: 969: 965: 960: 955: 951: 947: 943: 936: 933: 928: 924: 920: 916: 912: 908: 903: 898: 894: 890: 886: 879: 876: 871: 867: 863: 859: 855: 851: 846: 841: 837: 833: 826: 823: 818: 811: 808: 800: 799: 791: 788: 777:on 2015-04-18 776: 772: 768: 762: 759: 754: 750: 749: 742: 739: 734: 733: 728: 722: 719: 714: 710: 706: 702: 698: 694: 689: 684: 680: 676: 669: 666: 661: 657: 653: 649: 645: 641: 636: 631: 627: 623: 615: 613: 609: 604: 600: 596: 592: 588: 584: 579: 574: 570: 566: 559: 556: 543: 537: 535: 531: 526: 522: 518: 514: 510: 506: 501: 496: 492: 488: 484: 478: 476: 474: 472: 470: 466: 460: 456: 453: 451: 448: 445: 442: 440: 437: 435: 432: 431: 427: 425: 423: 417: 415: 411: 404: 402: 400: 393: 391: 388: 384: 378: 374: 372: 367: 361: 358: 352: 343: 341: 339: 335: 331: 327: 323: 320: 319:hottest-known 311: 307: 305: 301: 297: 292: 290: 286: 282: 278: 274: 270: 266: 258: 256: 254: 250: 246: 241: 239: 236: 232: 228: 224: 220: 216: 212: 201: 196: 192: 190: 185: 181: 174: 170: 168: 163: 160: 156: 154: 150: 146: 144: 140: 136: 134: 130: 126: 122: 118: 116: 112: 106: 104: 100: 97: 94: 91: 90:Constellation 87: 83: 80: 75: 70: 66: 62: 58: 52: 47: 42: 37: 36:Bullet Galaxy 33: 19: 2747:Solar System 2622: 2432:Westerlund 2 2283:OGLE2-TR-L9b 2278:OGLE-TR-211b 2273:OGLE-TR-182b 2268:OGLE-TR-113b 2263:OGLE-TR-132b 2258:OGLE-TR-111b 1554: 1548: 1461:(1): 29–47. 1458: 1454: 1415: 1411: 1366: 1362: 1315: 1311: 1267: 1263: 1209: 1205: 1195: 1186:December 27, 1184:, retrieved 1180:the original 1175: 1162: 1119: 1115: 1109: 1064: 1060: 1007:(1): 60–65. 1004: 1000: 994: 949: 945: 935: 892: 888: 878: 835: 831: 825: 810: 797: 790: 779:. Retrieved 775:the original 770: 761: 752: 747: 741: 731: 721: 678: 674: 668: 625: 622:Astrophys. J 621: 568: 565:Astrophys. J 564: 558: 546:. Retrieved 490: 486: 450:NGC 1052-DF2 434:Galaxy group 418: 408: 395: 380: 376: 363: 359: 347: 316: 293: 262: 242: 222: 214: 210: 208: 172: 68: 32:Bullet Group 2768:Dark matter 2735:Outer space 2723:Spaceflight 2654:GRB 080916C 2427:Trumpler 16 2422:Trumpler 15 2417:Trumpler 14 2303:HD 85628 Ab 2187:OGLE2-TR-L9 2182:OGLE-TR-211 2177:OGLE-TR-182 2162:NGC 3603-A1 2152:Innes' star 2137:CPD−57°2874 1632:α (Canopus) 1418:: L13–L16. 249:dark matter 238:light-years 233:(3.72  157:17.4 ± 2.5 115:Declination 2757:Categories 2649:GRB 000131 2522:G290.1-0.8 2392:Carina OB2 2387:Carina OB1 2298:HD 65216 c 2293:HD 65216 b 2250:Exoplanets 2172:NGC 3603-C 2167:NGC 3603-B 2147:1E 1048-59 2132:AWI0005x3s 1129:1907.07680 781:2007-09-02 681:(2): 959. 483:Tucker, W. 461:References 330:shock wave 215:1E 0657-56 180:bolometric 167:luminosity 108:06 58 37.9 2699:Astronomy 2412:Platais 8 1642:Δ (Avior) 1495:119084968 1350:119388532 1154:197545195 1101:0035-8711 1074:1410.7438 1039:119250064 1014:1003.0939 895:: 21–30. 688:0806.2320 660:119334056 444:Abell 520 390:cosmology 178:joule/s ( 2674:Category 2566:Galaxies 2527:Hen 2-47 2324:clusters 2058:4325 (z) 2053:4257 (u) 2038:4177 (t) 2033:4164 (t) 2028:4159 (r) 2018:4138 (K) 2013:4114 (s) 2008:4102 (I) 2003:4089 (L) 1998:4025 (M) 1993:3884 (l) 1988:3856 (m) 1983:3825 (h) 1978:3821 (H) 1973:3728 (k) 1968:3696 (g) 1963:3663 (i) 1958:3643 (G) 1953:3598 (b) 1948:3571 (c) 1943:3415 (e) 1938:3414 (e) 1933:3260 (C) 1928:3220 (B) 1923:3159 (D) 1918:2934 (Q) 1913:2435 (N) 1850:V533 (y) 1840:V520 (w) 1830:V448 (O) 1825:V415 (A) 1820:V399 (P) 1815:V382 (x) 1810:V376 (b) 1800:V371 (z) 1795:V357 (a) 1790:V345 (E) 1785:V344 (f) 1780:V343 (d) 1770:V337 (q) 1682:Variable 1547:article 1534:Archived 1522:Harvard 1515:Harvard 1442:17977472 1403:15025801 1246:15025801 1122:: A100. 986:16684392 927:14601312 755:(photo). 748:1e065756 729:(2002). 713:14563896 603:12184057 548:March 4, 525:16140198 428:See also 383:velocity 300:theories 285:baryonic 259:Overview 143:Distance 133:Redshift 65:Redshift 2685:Portals 2542:IC 2448 2537:IC 2220 2446:Nebulae 2407:IC 2714 2402:IC 2602 2192:Sher 25 2157:LHS 288 1473:Bibcode 1381:Bibcode 1330:Bibcode 1302:2897407 1282:Bibcode 1224:Bibcode 1134:Bibcode 1079:Bibcode 1019:Bibcode 964:Bibcode 907:Bibcode 870:2897407 850:Bibcode 693:Bibcode 640:Bibcode 583:Bibcode 505:Bibcode 366:Chandra 338:quasars 235:billion 61:parsecs 2552:RCW 49 2232:WR 42e 2227:WR 31a 2222:WR 30a 2202:WR 21a 2197:WR 20a 1760:PP (p) 1529:NASA: 1493:  1440:  1401:  1348:  1300:  1244:  1152:  1099:  1037:  984:  925:  868:  711:  658:  601:  523:  281:X-rays 187:X-ray 165:X-ray 96:Carina 2711:Stars 2590:Other 2505:Other 2380:Other 2217:WR 25 2212:WR 24 2207:WR 22 2125:Other 2116:97950 2111:95086 2106:93403 2101:93250 2096:93129 2091:85628 2086:65216 2076:53143 1624:Bayer 1615:Stars 1508:CXO: 1501:CXO: 1491:S2CID 1463:arXiv 1438:S2CID 1420:arXiv 1399:S2CID 1371:arXiv 1346:S2CID 1320:arXiv 1298:S2CID 1272:arXiv 1242:S2CID 1214:arXiv 1150:S2CID 1124:arXiv 1069:arXiv 1035:S2CID 1009:arXiv 982:S2CID 954:arXiv 923:S2CID 897:arXiv 866:S2CID 840:arXiv 802:(PDF) 709:S2CID 683:arXiv 656:S2CID 630:arXiv 599:S2CID 573:arXiv 521:S2CID 495:arXiv 371:X-ray 326:Earth 273:light 265:stars 137:0.296 82:J2000 79:Epoch 2581:3059 2496:3586 2491:3584 2486:3582 2481:3581 2476:3579 2471:3576 2466:3199 2461:2867 2371:3603 2366:3532 2361:3324 2356:3293 2351:3114 2346:2808 2341:2516 2322:Star 2048:4222 2043:4205 2023:4142 1895:V906 1890:V817 1885:V816 1880:V759 1875:V752 1870:V742 1865:V640 1860:V602 1855:V560 1845:V528 1835:V518 1805:V372 1775:V341 1188:2016 1097:ISSN 550:2012 381:The 353:of 8 209:The 189:flux 2574:NGC 2454:NGC 2333:NGC 1481:doi 1459:382 1430:doi 1416:654 1389:doi 1367:371 1338:doi 1316:652 1290:doi 1268:648 1232:doi 1210:371 1142:doi 1120:628 1087:doi 1065:452 1027:doi 1005:718 972:doi 950:370 915:doi 893:801 858:doi 836:648 701:doi 679:687 648:doi 626:606 591:doi 569:604 513:doi 491:496 269:gas 240:). 231:Gpc 159:keV 127:~40 92:(s) 34:or 2759:: 2068:HD 1905:HR 1765:QZ 1755:OY 1750:IX 1745:HR 1740:GG 1735:EV 1730:CK 1725:BO 1720:AG 1715:RT 1489:. 1479:. 1471:. 1457:. 1453:. 1436:. 1428:. 1414:. 1397:. 1387:. 1379:. 1365:. 1361:. 1344:. 1336:. 1328:. 1314:. 1296:. 1288:. 1280:. 1266:. 1240:. 1230:. 1222:. 1208:. 1204:. 1174:, 1170:, 1148:. 1140:. 1132:. 1118:. 1095:. 1085:. 1077:. 1063:. 1059:. 1047:^ 1033:. 1025:. 1017:. 1003:. 980:. 970:. 962:. 948:. 944:. 921:. 913:. 905:. 891:. 887:. 864:. 856:. 848:. 834:. 769:. 751:. 707:. 699:. 691:. 677:. 654:. 646:. 638:. 624:. 611:^ 597:. 589:. 581:. 567:. 533:^ 519:. 511:. 503:. 489:. 468:^ 392:." 340:. 267:, 176:50 63:. 2687:: 1710:Y 1705:U 1695:S 1690:R 1672:ω 1667:χ 1662:υ 1652:Ξ 1647:η 1581:e 1574:t 1567:v 1497:. 1483:: 1475:: 1465:: 1444:. 1432:: 1422:: 1405:. 1391:: 1383:: 1373:: 1352:. 1340:: 1332:: 1322:: 1304:. 1292:: 1284:: 1274:: 1248:. 1234:: 1226:: 1216:: 1156:. 1144:: 1136:: 1126:: 1103:. 1089:: 1081:: 1071:: 1041:. 1029:: 1021:: 1011:: 988:. 974:: 966:: 956:: 929:. 917:: 909:: 899:: 872:. 860:: 852:: 842:: 784:. 715:. 703:: 695:: 685:: 662:. 650:: 642:: 632:: 605:. 593:: 585:: 575:: 552:. 527:. 515:: 507:: 497:: 420:( 355:σ 213:( 182:) 173:h 84:) 69:z 67:( 38:. 20:)

Index

Bullet cluster
Bullet Group
Bullet Galaxy

Chandra X-ray Observatory
parsecs
Redshift
Epoch
J2000
Constellation
Carina
Right ascension
Declination
Redshift
Distance
ICM temperature
keV
luminosity
bolometric
flux
clusters of galaxies
comoving radial distance
Gpc
billion
light-years
gravitational lensing
dark matter
MACS J0025.4-1222
stars
gas

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

↑