27. Weighing a filament by its photoionisation shadow
by Dave Williams, Deb Baker and Lidia van Driel-Gesztelyi, UCL Mullard Space Science Laboratory
Dark matters: AIA measurements of filament absorption reveals its mass.
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UKSP Nuggets are published on a monthly basis highlighting solar physics research in the UK
http://uksolphys.org/uksp-nuggets
Iain Hannah and Lyndsay Fletcher