History of the Discovery of Radioactivity (7)

X-ray tube

Henri Becquerel

Rays emitted from the nucleus of uranium

Marie and Pierre Curie

Gamma ray from radium

Decay of uranium-238

Decay of thorium-234

Decay of cobalt-60*

Nobel Prizes once received by Marie Curie (1)

The Nobel Prize in Physics in 1903

Nobel Prizes once received by Marie Curie (2)

The Nobel Prize in Chemistry in 1911