Why is the red supergiant Betelgeuse not a threat to Earth?
Answer
It is located 600 light-years away, well outside the critical danger zone
While Betelgeuse is a massive star destined to end its life in a supernova, it is situated at a safe distance from Earth. The danger zone for a supernova's ionizing radiation is estimated to be within 25 to 50 light-years. Since Betelgeuse is roughly 600 light-years away, any radiation released by its eventual collapse will be dissipated long before it reaches our solar system, posing no threat to the atmosphere or life on Earth.
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