Using ESO ’s Very Large Telescope, at team of astronomers has captured the most detailed images ever of the hypergiant star VY Canis Majoris.These new observations show how the unexpectedly large size of the particles of dust surrounding the star enable it to lose an enormous amount of mass as it …

An accurate comparison showing the red supergiants UY Scuti and VY Canis Majoris, image: Wikimedia Commons/Faren29 (CC BY-SA 4.0) UY Scuti compared to planets and other large stars. VY Canis Majoris (VY YMCA) ist ein dicker, roter Überriese, und die wahrscheinlich längste Praline der Welt der wahrscheinlich größte Stern von allen.

UY Scuti compared to VY Canis Majoris.
Hypernovae are problem only if the collimated gamma ray burst is pointed in Earth's direction.

Zumindest der größte Stern dessen Größe jemals von einem verrückten Wissenschaftler geschätzt/errechnet wurde. Based on UY Scuti’s known properties, the star … If we were indeed irradiated by a GRB, then the first thing that would happen would be is the destruction of the Ozone layer. The red hypergiant VY Canis Majoris is one of the largest stars known, while the neutron star RX J0720.4-3125 has a radius of a mere 5 km. As a red hypergiant, VY Canis Majoris is the final stage of its... See full answer below. Während der Hauptsequenzphase seines Lebens hatte es wahrscheinlich mehr als das 40-fache der Sonnenmasse, aber es hat einen Großteil seines Materials mit seinen starken Sternwinden in den Weltraum geblasen. A quick check on the American Association of Variable Star Observers(AAVSO) website shows that VY varies between magnitudes 7.4 at brightest to 9.6. The question is not one of if VY Canis Majoris will explore but when it will explode. That puts it well within the effective range that it could destroy all life on this planet should a gamma ray burst generated by its supernova hit us.

UY Scuti compared to planets and other large stars, image: Wikimedia Commons/IStoleThePies (CC BY-SA 4.0) Supernova. For the past few months it’s been around 8.0, bright enough to see in ordinary binoculars. VY Canis Majoris is located about 5,000 light-years from Earth. Astronomen klassifizieren VY Canis Majoris als roten Hypergiant-Stern – es wird angenommen, dass er die 15-25-fache Sonnenmasse hat.

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