Apparent Magnitude is the star's brightness as it appears from earth, while, Absolute Magnitude is the apparent brightness of a star if viewed from a distance of 32.6 light years away.
Magnitude is used in astronomy to indicate how bright a star is. Because of historical reasons the lower the magnitude the brighter the star. Now, if you measure the brightness of a star in the sky...
Apparent Magnitude is the star's brightness as it appears from earth. absolute magnitude is the apparent brightness of a star if viewed from a distance of 32.6 light years away.
Apparent magnitude is the measure of how bright a star appears to be from our vantage point. Absolute magnitude is the measure of how bright a star would be if it were located 10 parsecs from earth.
Apparent magnitude is the brightness of a star as viewed from Earth, whereas absolute magnitude is the brightness of a star as viewed from ~32.6 light years away.
Related ads:
Shopping for Science deals?
Find Coupons and Promo Codes on Coupons by Answers.com