Magnesium Hydride in Sun Spot

Made:
1911 in South Kensington
photographer:
Alfred Fowler
Photograph showing presence of magnesium hydride in sun spots:-

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Photograph showing presence of magnesium hydride in sun spots:-
John Evershed/ Alfred Fowler/ Imperial College, London. Enquiries to Science Museum, London

Photograph showing presence of magnesium hydride in sun spots:- 1) sun spectrum (Evershed) ; 2) Spot (Evershed); 3) magnesium hydride spectrum (Fowler).

Details

Category:
Astronomy
Object Number:
1911-315
Materials:
paper (fibre product) and wood composites
Measurements:
overall: 18 mm x 450 mm x 297 mm,
type:
black-and-white prints (photographs), spectra, sun and sunspots
credit:
Imperial College of Science & Technology