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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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∙ 11y ago
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A star that explodes temporarily increasing its brightest?
binary star
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 brightness of Betelgeuse?
Betelgeuse is a semiregular variable star located in the constellation Orion.It is the second brightest star in the constellation and the ninth brightest star in the night sky.It has an apparent magnitude of 0.58 (Var 0.3 -> 1.2) and an absolute magnitude of -5.14.See related link for more information.
What is the brightness of castor?
Castor is the second brightest star in the constellation Gemini and one of the brightest stars in the nighttime sky.It is a variable star and has an apparent magnitude of 1.96 / 2.91 and an absolute magnitude of 1.33 /2.28.See related links and questions for more information.
What is the brightest star and what is its nickname?
brightest star:north star nickname:dog star
How bright is Sirus?
It is almost twice the brightness of Canopus,the 2nd brightest star
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.
A star that explodes temporarily increasing its brightest?
binary star
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.
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
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 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
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.
Is Sirius brighter than Polaris?
As seen from Earth, yes, Sirius is the brightest star in the night sky. In terms of actual brightness, no.
What is sirius A named after?
Sirius was named after the word 'blazing' which fits because it is the brightest star in the night sky AND twice the size and brightness
What is the brightness of Enif?
The brightest star in Pegasus is ε Peg (Enif).It has an apparent magnitude of -4.19See related link for more information
