VY Canis Majoris, What is that?

Astronomy Science ~ Who does not know this star. Moreover, a few years ago, this star had become the biggest star in the universe. VY Canis...

Astronomy Science ~ Who does not know this star. Moreover, a few years ago, this star had become the biggest star in the universe. VY Canis Majoris (VY CMa) is red hypergiant star located in the constellation Canis Major.

Let us look at some interesting facts this star

1. VY Canis Majoris is some 4,000 to 5,000 light-years from Earth in the constellation Canis Major.

2. This star was once the biggest star ever found. But according to wikipedia, the position of VY Canis Majoris has now shifted to the order of 9th. Currently, the biggest star hold by UY Scuti.

3. VY Canis Majoris is a red hypergiant star with a radius of 1,420 times greater than the radius of the sun. If in place in our solar system, the magnitude of this star could reach the orbit of Saturn.

Image of VY Canis Majoris closed by nebula clouds coming from the material
4. Stars that same with VY Canis Majoris hypergiant very rare in our galaxy, in fact most of the stars in the Milky Way are smaller than the sun, or often called a red dwarf. Big stars burn their fuel very quickly, therefore they only live a few million years, smaller stars like our sun live for billions of years.

5. It is estimated that VY Canis Majoris has spent half of its mass that had surrounded the star in the nebula cloud.

6. VY Canis Majoris was nearing the end of its life and is expected to explode as a supernova in the next 100,000 years.

7. After this star exploded, the remainder of the core is massive enough to create black holes. This star mass of about 20 to 40 times mass of our sun.

8. VY Canis Majoris has a surface temperature of about 3,200 C (5,800 F). The temperature of the sun is hotter than this star that reaches 5505 ° C (9941 ° F)

9. Measurement of luminosity of stars is quite varied, from 250,000 to 500,000 times brighter than the sun.

10. This star was first discovered by the French astronomer Jerome Laland in 1801.
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Astronomy Science: VY Canis Majoris, What is that?
VY Canis Majoris, What is that?
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Astronomy Science
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