What is brighter than one star of the first magnitude or two stars of the second magnitude?
August 1, 2020
The magnitude scale is such that the brightness of a star with magnitude m is 2.512 times that of a star with magnitude (m + 1). Therefore, one star of the first magnitude is brighter than two stars of the second magnitude.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.