A number denoting the brightness of a star or other celestial object. The higher the magnitude, the fainter the object. For example, a 1st-magnitude star is 100 times brighter than a 6th-magnitude star.
‘Baby asteroid’ just a toddler in space years, researchers say
'Baby asteroid' just a toddler in space years, researchers say by James Dean for Cornell Chronicle Ithaca NY (SPX) May...