noun
[ U ] ( astronomy ) a measure of how bright a star, planet, etc. is, as it would be seen at a standard distance from the earth
—compare apparent magnitude
noun
[ U ] ( astronomy ) a measure of how bright a star, planet, etc. is, as it would be seen at a standard distance from the earth
—compare apparent magnitude
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005