spaceplasma: Italians put ‘disco ball’ into orbit Italian physicists have put a test particle into space to attempt to measure an effect predicted by general relativity. The object, which is about the size of a football, made of tungsten and covered

spaceplasma: Italians put ‘disco ball’ into orbit Italian physicists have put a test particle into space to attempt to measure an effect predicted by general relativity. The object, which is about the size of a football, made of tungsten and covered

spaceplasma: Italians put ‘disco ball’ into orbit Italian physicists have put a