Se podrá ver este año a estrella explotar con solo mirar al cielo: “es mucho más raro que un eclipse solar”

se podrá ver este año a estrella explotar con solo mirar al cielo: “es mucho más raro que un eclipse solar”

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Aficionados y astrónomos están entusiasmados con la buena nueva: se espera que este año se pueda ver la explosión de un sistema estelar en nuestra Vía Láctea con solo mirar al cielo.

Explosión del sistema solar es mejor que un eclipse total

El reciente eclipse solar total dejó atónitos a muchos, pero la próxima nova del sistema estelar T Coronae Borealis es mucho menos común y ocurre aproximadamente una vez cada 80 años. La nova produce una pequeña estrella que de repente se ilumina y dramáticamente durante un corto período.

“Ver esa estrella explotar es mucho más raro que un eclipse solar”, dijo el astrónomo de la NASA Bill Cooke. “Así que es algo que ocurre una vez en la vida”.

T Coronae Borealis

La T Coronae Borealis es un sistema estelar binario ubicada a unos 3.000 años luz de la Tierra y cuenta con una enana blanca y una gigante roja.

Cuando esta gigante roja se calienta, la presión aumenta tanto que lanza materia recogida por la enana blanca, explica la NASA. Por lo que la estrella más pequeña, casi del tamaño de la Tierra, se sobrecarga tanto con esa materia que explota.

Explosión que iluminará el cielo

“Con el tiempo, acumula tanto material que literalmente comienza una reacción termonuclear y la estrella se ilumina cientos de veces. Simplemente se vuelve súper brillante”, dijo Cooke.

Este espectáculo se llama “nova”, que nace del latín que significa “nueva estrella”, porque el objeto que alguna vez fue oscuro se ilumina, dando la impresión de una nueva estrella.

¿Desde cuándo podrá verse la explosión de la estrella?

Se espera que T Coronae Borealis forme una nova en cualquier momento desde ahora hasta septiembre.

Los astrónomos dicen que una vez que la nova alcance su brillo máximo, será visible para los espectadores durante varios días.

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