41:
254:
111:
There are infrared-luminous stars contained in the nebula that are red-giants and other supergiant stars. There are other stars contained within, but are mostly too dim to be observed.
133:
This nebula is seen as circumstantial evidence that the magnetic fields at the center of the galaxy are extremely strong, more than 1,000 times stronger than those of the
291:
203:
Morris, Mark; Uchida, Keven; Do, Tuan (2006). "A magnetic torsional wave near the
Galactic Centre traced by a 'double helix' nebula".
179:
310:
284:
72:
40:
123:
115:
45:
154:
320:
137:. If so, they may be driven by the massive disc of gas orbiting the central super-massive black hole.
277:
212:
97:
315:
236:
228:
220:
93:
32:
216:
261:
304:
59:
183:
240:
180:"Astronomers Report Unprecedented Double Helix Nebula Near Center of the Milky Way"
101:
20:
119:
89:
64:
232:
253:
224:
85:
127:
126:
thought to be at the galaxy's center, and 25,000 light years from
134:
105:
265:
155:"Double Helix Nebula - NASA Spitzer Space Telescope"
100:
into the shape of two connected spirals, known as a
96:. It is thought to have been distorted by magnetic
58:
53:
31:
118:. The segment seen so far is thought to be 80
285:
8:
26:
292:
278:
39:
146:
16:A nebula in the constellation Ophiucius
88:in the direction of the constellation
25:
7:
250:
248:
104:, which is akin to the shape of a
14:
260:This nebula-related article is a
114:The nebula was discovered by the
252:
48:image with artificial coloration
122:long, 300 light years from the
1:
264:. You can help Knowledge by
159:NASA Spitzer Space Telescope
337:
247:
18:
92:, near the center of our
70:
38:
19:Not to be confused with
124:supermassive black hole
116:Spitzer Space Telescope
46:Spitzer Space Telescope
225:10.1038/nature04554
217:2006Natur.440..308M
82:Double Helix Nebula
28:
27:Double Helix Nebula
273:
272:
211:(7082): 308–310.
178:Wolpert, Stuart.
78:
77:
328:
311:Emission nebulae
294:
287:
280:
256:
249:
244:
195:
194:
192:
191:
182:. Archived from
175:
169:
168:
166:
165:
151:
73:Lists of nebulae
54:Observation data
43:
29:
336:
335:
331:
330:
329:
327:
326:
325:
301:
300:
299:
298:
202:
199:
198:
189:
187:
177:
176:
172:
163:
161:
153:
152:
148:
143:
49:
33:Emission nebula
24:
17:
12:
11:
5:
334:
332:
324:
323:
318:
313:
303:
302:
297:
296:
289:
282:
274:
271:
270:
257:
246:
245:
197:
196:
170:
145:
144:
142:
139:
76:
75:
68:
67:
62:
56:
55:
51:
50:
44:
36:
35:
15:
13:
10:
9:
6:
4:
3:
2:
333:
322:
319:
317:
314:
312:
309:
308:
306:
295:
290:
288:
283:
281:
276:
275:
269:
267:
263:
258:
255:
251:
242:
238:
234:
230:
226:
222:
218:
214:
210:
206:
201:
200:
186:on 2007-06-11
185:
181:
174:
171:
160:
156:
150:
147:
140:
138:
136:
131:
129:
125:
121:
117:
112:
109:
107:
103:
99:
95:
91:
87:
84:is a gaseous
83:
74:
69:
66:
63:
61:
60:Constellation
57:
52:
47:
42:
37:
34:
30:
22:
321:Nebula stubs
266:expanding it
259:
208:
204:
188:. Retrieved
184:the original
173:
162:. Retrieved
158:
149:
132:
113:
110:
102:double helix
81:
79:
21:Helix Nebula
120:light years
305:Categories
190:2007-04-22
164:2016-11-16
141:References
108:molecule.
71:See also:
316:Ophiuchus
90:Ophiuchus
65:Ophiuchus
233:16541066
241:4426150
213:Bibcode
98:torsion
239:
231:
205:Nature
94:galaxy
86:nebula
237:S2CID
128:Earth
262:stub
229:PMID
80:The
221:doi
209:440
135:Sun
106:DNA
307::
235:.
227:.
219:.
207:.
157:.
130:.
293:e
286:t
279:v
268:.
243:.
223::
215::
193:.
167:.
23:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
