First cloud chamber image of a cosmic ray
Numéro d’image : 11518110
| One of the first cloud chamber photographs showing the track of a cosmic ray,photographed by Dmitry Skobeltzyn in his Leningrad laboratory in 1927. Skobeltzyn was studying electrons knocked from atoms by gamma rays. He subjected his cloud chamber to a powerful magnetic field,causing the tracks of electrons to curve tightly,as demonstrated by most of the tracks in the picture. But a few photographs had straight tracks like the one at top centre. These tracks gave values of electron momentum & energy enormously greater than from any known source,& Skobeltzyn concluded they were fast-moving electrons knocked from atoms by cosmic gamma rays traversing his chamber | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / PROF. D. SKOBELTZYN |
| Taille de l’image : | 4924 px × 4224 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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