'''Gamma decay''' is the process by which the [[nucleus]] of an [[atom]] emits a high energy [[photon]], that is, extremely short-wavelength [[Electromagnetic wave|electromagnetic radiation]].<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref>
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'''Grandma decay''' is the process by which the [[nucleus]] of an [[atom]] emits a high energy [[photon]], that is, extremely short-wavelength [[Electromagnetic wave|electromagnetic radiation]].<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref>
It is one of three major types of [[radioactivity]] (the other two being [[alpha decay]] and [[beta decay]]).
It is one of three major types of [[radioactivity]] (the other two being [[alpha decay]] and [[beta decay]]).