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of the primary. This was a simple design defect and not related to the unique geometry of the secondary. The UCRL's other shot, the "wet" (i.e., cryogenic) ramrod device, originally scheduled for the
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The name "Morgenstern" (German for morning star) was chosen because of the shape of the secondary. The secondary consisted of a central sphere from which spikes were radiating, resembling a
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Hansen, Chuck, "The Swords of
Armageddon: U.S. Nuclear Weapons Development since 1945" (CD-ROM). PDF, 2,600 pages, Sunnyvale, CA, Chukelea Publications, 1995, 2007.
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176:. It was more than two decades before weapons were designed that utilized a secondary concept similar to that first tested in the Koon shot.
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was between 0.33 and 3.5 megatons, with an expected yield of 1 megaton. The actual yield was 0.11 megatons. Morgenstern was thus a
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was known as "Morgenstern" and had a highly innovative secondary stage. It was tested on April 7, 1954. The predicted
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Post-shot analysis showed that the failure was caused by the premature heating of the secondary by the
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and colleagues to use implosive jets to compress the thermonuclear
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shot, was cancelled because it shared the same design defect.
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Unethical human experimentation in the United States
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Nuclear weapons tests conducted by the United States
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1036:1954 in the Trust Territory of the Pacific Islands
168:. The spikes may have been an idea from physicist
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129:University of California Radiation Laboratory
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917:Trinity and Beyond: The Atomic Bomb Movie
872:International Day against Nuclear Tests
133:Lawrence Livermore National Laboratory
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911:Reactor-grade plutonium nuclear test
836:Fallout: An American Nuclear Tragedy
892:Radiation Exposure Compensation Act
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1016:Nuclear testing at Bikini Atoll
933:Nuclear testing at Bikini Atoll
830:National Atomic Testing Museum
734:Nevada Test and Training Range
1:
1031:1950s in the Marshall Islands
1046:United States military stubs
1041:April 1954 events in Oceania
964:. You can help Knowledge by
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1021:1954 in military history
877:Nevada Desert Experience
16:1954 nuclear weapon test
1026:1954 in the environment
882:Nuclear weapons testing
803:Pacific Proving Grounds
958:United States military
683:Carson National Forest
862:Desert Rock exercises
138:The "dry" two-stage
125:thermonuclear device
166:morning star / mace
1011:Explosions in 1954
729:Sand Springs Range
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191:978-0-9791915-0-3
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427:Hardtack Teak
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170:Edward Teller
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107: →
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98:←
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65:April 7, 1954
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37:United States
36:
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27:
22:
19:
966:expanding it
955:
928:Louis Vitale
923:Vela Uniform
915:
905:Radio Bikini
903:
896:
852:Chuck Hansen
834:
714:Rainier Mesa
163:
158:
155:neutron flux
152:
137:
131:(UCRL), now
116:
114:
105:Castle Union
100:Castle Romeo
56:Bikini Atoll
18:
847:Reed Hadley
750:Salmon Site
743:Mississippi
709:Pahute Mesa
535:Quicksilver
436:Hardtack II
306:Cornerstone
74:Atmospheric
42:Test series
29:Information
24:Castle Koon
1005:Categories
719:Yucca Flat
673:Alamogordo
666:New Mexico
612:Touchstone
524:Project 57
519:Project 56
513:Praetorian
420:Hardtack I
385:Greenhouse
320:Crossroads
299:Charioteer
235:Operations
180:References
782:Parachute
640:Whetstone
598:Tinderbox
563:Sandstone
478:Musketeer
392:Grenadier
364:Flintlock
193:(2nd Ed.)
70:Test type
52:Test site
775:Colorado
766:Amchitka
678:Carlsbad
506:Plumbbob
457:Latchkey
413:Guardian
405:Cannikin
378:Fusileer
357:Fishbowl
327:Crosstie
250:Aqueduct
119:shot of
821:Related
619:Trinity
584:Sunbeam
570:Sculpin
549:Redwing
499:Phalanx
485:Niblick
471:Mandrel
399:Grommet
371:Fulcrum
334:Dominic
313:Cresset
278:Bowline
271:Bedrock
34:Country
823:topics
759:Alaska
692:Nevada
647:Wigwam
605:Toggle
591:Teapot
577:Storax
542:Ranger
492:Nougat
292:Castle
189:
148:fizzle
140:device
956:This
796:Other
787:Rifle
659:areas
450:Julin
350:Emery
264:Argus
257:Arbor
243:Anvil
144:yield
80:Yield
962:stub
657:Test
187:ISBN
174:core
159:Echo
117:Koon
115:The
83:110
62:Date
443:Ivy
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206:v
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.