The Helium Flash (and Caldwell 3) - Deep Sky Videos's primary photo
  • DeepSkyVideos The Helium Flash (and Caldwell 3) - Deep Sky Videos
  • TV Episode | 12 min | Documentary
Primary photo for The Helium Flash (and Caldwell 3) - Deep Sky Videos

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The Helium Flash (and Caldwell 3) - Deep Sky Videos
TV Episode | 12 min | Documentary
NGC 4236 is spiral galaxy close and diffuse enough for the Hubbel telescope to resolve individual stars. Mike Merrifield is turning his a attention to a few red giant branch stars that are about to undergo a helium flash. That is the ...See moreNGC 4236 is spiral galaxy close and diffuse enough for the Hubbel telescope to resolve individual stars. Mike Merrifield is turning his a attention to a few red giant branch stars that are about to undergo a helium flash. That is the helium accumulated in a star's core is becoming so hot and so compressed that it will spontaneously begin to fuse into carbon generating more pressure and heat leading to an accelerating chain reaction causing the star to outshine its host galaxy in seconds. Written by David Foss See less
Read more: Plot summary
Director
Brady Haran
Producers
Brady Haran (producer) | James Hennessy (producer)
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Status
Edit Released
Updated Aug 25, 2025
Release date
Aug 25, 2025 (United Kingdom)

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Cast

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2 cast members
Name Known for
Brady Haran primary photo
Brady Haran
Self - Host Self - Host   See fewer
Numberphile (2011)
Mike Merrifield primary photo
Mike Merrifield
Self - Emeritus Professor, The University of Nottingham Self - Emeritus Professor, The University of Nottingham   See fewer
Sixty Symbols (2009)
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