Examlex
At the end of the Kelvin-Helmholtz contraction, a star is hundreds of times brighter than itwill be as a main sequence star.
Radioactive Material
Radioactive material consists of substances that emit radiation as a result of the spontaneous disintegration of atomic nuclei.
Radiation Sickness
An illness caused by excessive exposure to ionizing radiation, characterized by symptoms such as nausea, weakness, hair loss, skin burns, and decreased organ function.
Nausea
A sensation of unease and discomfort in the stomach with an urge to vomit.
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