Articles on Binary stars

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The bubbly cloud, called Puppis A, is an irregular shock wave, generated by a supernova that would have been witnessed on Earth 3,700 years ago. NASA

Solving the mystery of the wimpy supernova

A massive star, with a radius 500 times that of our sun, exploded. But the supernova fizzled – it was weak and dim. Figuring out what went wrong led to insights about how rare binary star systems form.
The strongest magnets in the universe – but how does a magnetar form? (Artist’s impression of magnetar in the cluster Westerlund 1.) ESO/L. Calçada

A rare magnetic star is born – with a push in the right direction

Magnetars are stars that are incredibly dense, rapidly spinning, amazingly hot and – as their name suggests – are the most magnetic objects known in the universe. The magnetic field on the surface of a…

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