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They are called quasars. We occasionally observe short bursts of gamma radiation which outshine even quasars temporarily, but astronomers aren't absolutely certain yet what causes them.

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14y ago
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14y ago

The brightest star visible from earth is Sirius, it is a first magnitude star.. Hipparchus ranked the brightness of stars in the sky on a scale of 1 to 6 as seen from the Earth. The brightest stars he could see were classified as first magnitude and the faintest were sixth magnitude

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Q: What are the brightest objects in the universe called?
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Related questions

What is the brightest and darkest object?

The brightest objects are hypernovae and the darkest objects are black holes.


What is the brightest planet of the universe?

Sei


What is the brightest objects in the universe?

That would include: Sun Mercury Venus Earth Mars and its moons Jupiter and its moons Saturn and its moons Neptune and its moons Uranus and its moons Pluto and other planetesimals and their moons Asteroids Comets


What are the brightest objects in the sky after sunset?

Generally the brightest objects seen in the sky are the moon, some planets, (notably Venus and Jupiter) and stars, Sirius being the brightest.


What are the sun and all the objects that orbit the sun called?

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What is the brightest star in the universe apart from our Sun?

Our sun is not the brightest star in the universe. It only appears brighter because it is much close than any other star. The brightest star as it appears in the sky is Sirius.


What is lyras brightest star?

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What is the pull of all objects in the universe on one another?

It is commonly called gravitation.


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.


What is Alpha Centuri?

Alpha centuri is one of the brightest stars in the universe.


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Hypernovae are the brightest object in space while black holes are the darkest object in space.


What is a star that dose not emit light?

A black hole. Nothing gets out of it; but because of interactions with the matter around it, black holes can still be the brightest objects in the Universe! Do some reading on quasars, for more details.