How BIG VY Canis Majoris?

Astronomy Science ~ VY Canis Majoris is the biggest star in the universe (cosmos) which are known by man. VY Canis Majoris is located in t...

Astronomy Science ~ VY Canis Majoris is the biggest star in the universe (cosmos) which are known by man. VY Canis Majoris is located in the Canis Major constellation. It is located about 4,900 light years from Earth.

It was first known on 7 March 1801 based on star catalog of Jerome Lalande. The catalog recorded VY Canis Majoris as 7 major star. Since 1847, VY Canis Majoris is known as a red star. With a rate of about 3000 K, it is a cold temperatures for a star.

Unlike other big stars, VY Canis Majoris is a single star. VY Canis Majoris is very large when compared to the large diameter of our solar system roughly from the sun to beyond the orbit Saturn (9 times the distance of the Sun to the Earth) or 3.063 billion km. Required 7.000.000.000.000.000 (7 quadrilion) earth to fill volume.


VY Canis Majoris is arguably a dying star. Like the other big star, VY Canis Majoris be so large because the hydrogen fuel has been exhausted in it and began to combine hydrogen with the outer shell of the helium nucleus. Even VY Canis Majoris can be smelted together with helium, lithuim and so on. eventually he will have a core made of iron as well as the planet.

The problem after a fusion reaction is the formation of an iron core, they do not produce energy that can not compensate for the pressure of gravity generated by the star. When all the fusion fuel runs out, the star will collapse catastrophically in a supernova explosion, and would become a black hole.

VY Canis Majoris is still the biggest star known, but has not yet become the bigest star in the universe, because there are many stars in the universe are not yet known and accessible to the human sciences.
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Astronomy Science: How BIG VY Canis Majoris?
How BIG VY Canis Majoris?
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