A star of apparent magnitude +5 looks brighter than one of apparent magnitude +2

Question

A star of apparent magnitude +5 looks brighter than one of apparent magnitude +2. Star A appears brighter than star B. as seen from Earth. Therefore, star A must be closer to Earth than star B Differences is stellar spectra are due mainly to differences in composition. A light year is about 3.3 parsecs. Hydrogen lines are weaker in both hotter and cooler stars than in class A stars Even Alpha Centauri, the closest star, is still over a parse distant. A B9 star is hotter than an A0 star. M type stars are cool enough to show molecular lines, such as TiO. To get the space velocity of a star in three dimensions, you need its proper motion, distance, and radial velocity. Only O type stars show ionized helium lines in its spectrum

Explanation / Answer

Question 1 Answer is True

Because apparent magnitude increases brightness increases.

Question 2. Flase,Apparent magnitude primarly depends on composition of stars.

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