Gamma rays are the shortest wavelength electromagnetic ... which protects us against dangerous ultraviolet radiation from the sun. Mass extinctions in Earth’s history may have been caused ...

Highly energetic explosions in the sky are commonly attributed to gamma-ray bursts. We now understand that these bursts ...

Gamma-ray bursts (GRBs) Gamma-ray bursts (GRBs ... While GRBs hitting Earth is only a hypothesis, it could be dangerous to the atmosphere and damage the ozone layer, making life vulnerable ...

The ionizing power of gamma rays is low, but they are difficult to stop and travel long distances. The degree to which each different type of radiation is most dangerous to the body depends on ...

Gamma-ray bursts, caused by neutron star mergers, are even more dangerous than supernovas. Their concentrated energy beams can travel over 10,000 light-years, posing a potential threat if directed ...