A supernova needs to be at a distance of at least 30 light-years to affect the Earth. If such things happen, our planet’s ...
Betelgeuse’s future supernova won’t harm Earth, but close cosmic explosions could strip our ozone, risking life. Gamma-ray ...
Nitrous oxide (Nâ‚‚O) is a greenhouse gas that is approximately 270 times more potent than carbon dioxide in warming the planet ...
When stars explode as supernovas, they can cause serious cosmic carnage. Is Earth in any danger from any nearby stars?
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