What causes the explosion of a nova, an astronomical event that is about to happen?

What causes the explosion of a nova, an astronomical event that is about to happen?
What causes the explosion of a nova, an astronomical event that is about to happen?

In February of this year, the National Aeronautics and Space Administration (POTfor its acronym in English) published a statement warning that, between that month and September, there is the possibility of an explosion of not going in a star system located 3 thousand light years from Earth.

Is about T Coronae Borealisor T CrB. This is located in the constellation Corona Borealis, which was discovered in 1866. The last time this system erupted was in 1946, so if the pattern remains stable, estimates indicate that humanity will see this astronomical event again in almost 80 years.

According to the Space website, a nova is a white dwarf in a binary star system that, by extracting matter from its companion, produces a nuclear fusion explosion that does not trigger the destruction of the star, and which, therefore, can give rise to other explosions.

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The explosion of the star “gives us very beautiful images of how the expulsion of all the materials that constituted it go into space and form a cloud,” adds Mario Arreola Santander, a communications and electronics engineer and director of Science and Technology Outreach at the Mexican Space Agency (AEM).

Observers in the North Hemisphere They will have the best view of the event, as T Coronae Borealis is located in the constellation of the Corona Borealis, a small semicircular arc between the constellations Bootes and Hercules. During the explosion, the nova will be easily located following the star Alphecca, the brightest in the Corona Borealis.

For those interested in witnessing this event, it is recommended to familiarize yourself with the constellation Crown Boreal and use astronomy apps like Star Walk 2 or Sky Tonight to locate the star. Once NASA confirm After the explosion, changes in brightness in T Coronae Borealis can be observed, first with the naked eye and later with binoculars as the nova begins to dim.

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