The star is about to explode 1,400 times larger than the Sun.

When the red giant star is 1,400 times larger than the Sun explodes, the light emitted can be observed from above the Earth.

Eamon O'Gorman and colleagues at Dublin Institute of Advanced Studies (DIAS), Ireland, use the world's largest radio telescope ALMA in Chile to observe chromosphere of Betelgeuse star in step wave below millimeter.

Red giant star Betelgeuse.(Photo: ALMA).

The results of the study published in June 20 in Astronomy & Astrophysics show that Betelgeuse's atmosphere has an average temperature of 2,487 degrees Celsius at a distance of 1.3 times the star radius, lower than the temperature of the photosphere (3,417 degrees Celsius) and the temperature at a distance equal to twice the radius of the star. The team believes that the atmosphere is not heated evenly due to large-scale convection caused by the star's magnetism.

In addition, the scientists discovered the emission of gas and dust in the atmosphere of Betelgeuse asymmetrical in spherical shape that was deflected to the east and northeast."The asymmetric dispersion process shows that local warming takes place in Betelgeuse's atmosphere , " the team concluded.

Betelgeuse, the second brightest star in Orion , is a red giant star located 650 light-years from Earth, according to Sci-News. It has a radius of 1,400 times greater than the Sun and 100,000 times brighter than the Sun.

Although only eight million years old, Betelgeuse has reached the end of his life and is about to explode into a supernova. When this happens, the supernova will easily be seen from the Earth, even in daylight.