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What is a gigantigc explosion of a star millions or billions of times brighter than the star was?
A nova or supernova.
How bright are star?
In absolute terms, some are brighter than our Sun - in some rare cases, millions of times brighter - while others are much less bright than our Sun.
Star A is a first magnitude star. Star B is a sixth magnitude star. Which star is brighter and by how much?
A magnitude 1 star is 100 times brighter than a magnitude 6 star.A magnitude 1 star is 100 times brighter than a magnitude 6 star.A magnitude 1 star is 100 times brighter than a magnitude 6 star.A magnitude 1 star is 100 times brighter than a magnitude 6 star.
How many times brigther will a star be than an identical star that twice as faraway?
It is four times as brighter. It is four times as brighter.
What super is a star that is a million of times brighter than the sun?
super-giant star
How many times brighter is a magnitude 1 star than a magnitude 2 star?
Good, a nice question with a definite answer. The magnitude1 star is 2.512 times brighter (near enough).
How many times brighter will a star be than an identical star thats twice as far away?
4 times
How many times brighter will a star be than an identical star that is twice far away?
4 times as bright.
What is a brighter star?
A star that is brighter than another.
How many times brighter is a first magnitude star than a third magnitude?
2 magnitudes brighter means it's about 2.512 x 2.512 times brighter. So that's about 6.31 times brighter.
How much brighter is a magnitude 2 star than a magnitude 4 star?
A magnitude 2 star is 2.5 times brighter than a magnitude 4 star because each difference in magnitude corresponds to a difference in brightness of approximately 2.5 times.
What is the most luminous star?
Contenders are:- LBV 1806-20 - ~ 5,000,000 times brighter than the Sun. Pistol Star - ~ 1,000,000 times brighter than the Sun (Variable) Cygnus OB2-12 ~ 6,000,000 times brighter than the Sun HD 93129A ~ 5,500,000 times brighter than the Sun. Eta Carnae ~ 5,000,000 times brighter than the Sun.
