What is our main topic?
Gamma rays
A.k.a?
gamma radiation
What can they do to atoms?
ionize them
A.k.a.?
ionizing radiation
Are they safe?
no
Name on place where can natural spots of gamma decay be found?
lightning strikes
Name another.
terrestrial gamma-ray flashes
What is those rays' origin?
natural, not nuclear
What are Gamma rays?
penetrating electromagnetic radiation
Where is there a radioactive decay?
atomic nuclei
When did they get their name?
In 1903
Who named them?
Ernest Rutherford
What else did he discover?
alpha and beta rays