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Astronomers discover the famous Pleiades star cluster could be 20 times bigger than we thought

Astronomers have discovered that the Seven Sisters of the Pleiades star cluster have more stellar siblings than we thought  — ...
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3I/ATLAS interstellar object much larger than previously thought? Scientists reveal new details like mass, trajectory and gravitational acceleration

3I/ATLAS interstellar object much larger than previously thought has drawn global attention after new findings revealed its mass and size. The unusual object, first detected by NASA, is now being ...