Amazing Science
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Amazing Science

The binary system formed by a blue star, LB-1, visible on the left, and by a 70 solar masses black hole, in the center of the image (artist impression). The black hole is surrounded by an accretion disk formed by gas torn from the star. The inner edge of the disk is truncated, so it does not reach the black hole. This is the probable reason why X-ray emissions from this binary system were not observed, despite the accurate research carried out with the Chandra space telescope [Jingchuan YU, Beijing Planetarium, 2019]

An Oversized Stellar-Mass Black Hole

A study published on November 27 in Nature received extensive media coverage. It describes the discovery of an unusual stellar black hole with a mass of almost 70 suns. The existence of such a massive black hole contradicts current models of stellar evolution…

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Michele Diodati

Michele Diodati

Science writer with a lifelong passion for astronomy and comparisons between different scales of magnitude.