Archiv: supernovas (star explosions / implosions)


09.01.2020 - 19:38 [ Sueddeutsche ]

Steht eine Supernova in der kosmischen Nachbarschaft bevor?

Der auf Deutsch wegen eines historischen Schreibfehlers oft Beteigeuze genannte Riesenstern bildet die linke Schulter des Sternbilds Orion. In dieser Konstellation ist er derzeit nur der zweithellste Stern. Doch das könnte sich bald ändern.

02.01.2020 - 17:17 [ CNN ]

Why the world is waiting for Betelgeuse to go supernova

(01.01.2020)

If Betelgeuse does go supernova, it will be the brightest star in the sky for many months. (Except for the sun, of course.) It will even be visible during the day.

27.12.2019 - 21:06 [ CNN ]

A giant red star is acting weird and scientists think it may be about to explode

The red supergiant would glow a vibrant blue for three of four months, and would take about a year to fade out.

„It would be a really bright star visible in the daytime,“ Guinan said.

There wouldn’t be any direct danger to life on earth, but ultraviolet radiation from the celestial blast could scorch ozone in our atmosphere.