The Clouds Around the Monster

Neutron stars are few kilometres sized objects that come to life when a massive star dies in a devastating supernova explosion. A few months ago a very peculiar neutron star has been discovered in an even more peculiar location of our Galaxy. A magnetar is neutron star surrounded by a magnetic field so intense that... Continue Reading →


First Black Hole Mass and Spin Measured with Timing

Imagine to have a black hole spinnig around a normal companion star like our Sun. At some point of the evolution the black hole can start removing and devouring matter from the outer layers of its companion star, in a process known as accretion. During this phase the matter becomes so hot that it shines... Continue Reading →

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