24.4. References http://www.ck12.org
24.4 References
1.. http://commons.wikimedia.org/wiki/File:Marie_Curie_c1920.png. Public Domain
2. User:Fastfission/Wikimedia Commons. http://commons.wikimedia.org/wiki/File:Binding_energycurve-_-
common_isotopes.svg. Public Domain
3. Joy Sheng, using data from http://en.wikipedia.org/wiki/List_of_elements_by_stability_of_isotopes. CK-12
Foundation. CC BY-NC 3.0
4. User:Inductiveload/Wikimedia Commons, modified by CK-12 Foundation. http://commons.wikimedia.org
/wiki/File:Alpha_Decay.svg. Public Domain
5. User:Inductiveload/Wikimedia Commons, modified by CK-12 Foundation. http://commons.wikimedia.org
/wiki/File:Beta-minus_Decay.svg. Public Domain
6. Joy Sheng. CK-12 Foundation. CC BY-NC 3.0
7. Courtesy of the US Geological Survey. http://pubs.usgs.gov/of/2004/1050/uranium.htm. Public Domain
8. Courtesy of US Department of Energy. http://commons.wikimedia.org/wiki/File:Fermilab.jpg. Public Do-
main
9. Christopher Auyeung.. CC BY-NC 3.0
10. User:Dake and User:Malyszkz/Wikimedia Commons. http://commons.wikimedia.org/wiki/File:Fatman_in
ner1.svg. Public Domain
11. Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0
12. CK-12 Foundation, using sun photograph courtesy of NASA photo-by=. Sun: http://commons.wikimedia.or
g/wiki/File:The_Sun_by_the_Atmospheric_Imaging_Assembly_of_NASA%27s_Solar_DynamicsObservato
ry-_20100819.jpg. CC BY-NC 3.0 (photograph of sun available in public domain)
13. Tim Vickers. http://commons.wikimedia.org/wiki/File:Geiger_counter_2.jpg. Public Domain
