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That is Sirius. Its "apparent magnitude" is minus1.5 approximately.

Sirius is the brightest star in the sky for us on Earth, but it's not the most

luminous star in "absolute magnitude". The main reason that it is so bright is just that it is very close to us.

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12y ago

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Which star has the greatest brightness?

Sirius, also known as the "Dog Star," is the brightest star in Earth's night sky. It is roughly twice as bright as Canopus, the next brightest star.


How bright is Sirus?

It is almost twice the brightness of Canopus,the 2nd brightest star


Who is the brightest star?

The brightest star in the night sky as seen from Earth is Sirius, also known as the "Dog Star." It is part of the Canis Major constellation and is located relatively close to Earth, which contributes to its brightness.


What is the star brightness?

Venus is the brightest star. It is also the hottest planet it reflects a lot of light from the sun and we can see it as a bright dot in the sky.


Is our sun is the brightest star?

The sun is the brightest star as seen from Earth, but that is only because it is much closer to us than any other star.


What is the brightest star's name in early morning sky?

The brightest star visible in the early morning sky is usually the planet Venus. Venus is sometimes mistaken for a star because of its brightness and is often referred to as the "Morning Star" when it is visible before sunrise.


Which is the brightest star in sky?

SunAnswer:The brightest star can be identified either on an apparent brightness (how bright it seems to an observer on Earth) or absolute luminosity. Obviously the Sun is the brightest star in the sky at any time. If only the night sky is considered, it is Sirius. The brightest star discovered, based on its energy output, is Cygnus OB2-12 (a very bright blue hypergiant). It is more than 6 million times brighter than the Sun.


What is the brightest star in the universe?

As the question specifies brightness, the brightest star in the Universe is our Sun - because it is the closest star to us. The most luminous star is another question: See related question.


The actual brightness of the star is what?

a star is made up of burning gases which makes it a luminous body. the sun is the only star in the solar system. the brightest star except the sun is sirius


What is Actual brightness of a star?

a star is made up of burning gases which makes it a luminous body. the sun is the only star in the solar system. the brightest star except the sun is sirius


What color of the star is the brightest?

The hottest stars are blue or blue-white. Brightness is a different matter, and is not strictly related to color.


What star's brightness as if it were a standard distance?

sirus is the brightest star in the night sky idk how far away it is maby like 100 thousand light years