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During a period of activity known as the Great Eruption, Eta Carinae (pictured) briefly became the second-brightest star in the night sky.
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Eta Carinae
Stellar system in the constellation Carina
η Carinae, formerly known as η Argus, is a stellar system containing at least two stars with a combined luminosity greater than five million times that of the Sun, located around 7,500 light-years distant in the constellation Carina. Previously a 4th-magnitude star, it…Source: Wikipedia (CC BY-SA)
List of brightest stars
Stars sorted by apparent magnitude
This is a list of stars arranged by their apparent magnitude – their brightness as observed from Earth. It includes all stars brighter than magnitude +2.50 in visible light, measured using a V-band filter in the UBV photometric system. Stars in binary systems are listed by their…Source: Wikipedia (CC BY-SA)