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14 ore fa · When Betelgeuse explodes, it will shine as bright as the half-Moon for more than three months; life on Earth will be unharmed. Having been ejected from its birthplace in the Orion OB1 association – which includes the stars in Orion's Belt – this runaway star has been observed to be moving through the interstellar medium at a speed of 30 km/s , creating a bow shock over four light-years wide.
2 ore fa · An icon used to represent a menu that can be toggled by interacting with this icon.
