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Artist’s impression of a black hole star (not to scale). The cut-out reveals the central black hole with it surrounding accretion disk. What makes this a black hole star is the surrounding envelope of turbulent gas. This configuration can explain what astronomers observe in the object they are calling “The Cliff.”

A newly discovered distant object that astronomers have dubbed “The Cliff” could solve a riddle posed by some of the first observations of the distant universe with the James Webb Space Telescope, related to the discovery of a population of objects dubbed “little red dots.” Those objects were thought to be young galaxies, but with such considerable mass as would have been difficult to explain in current models of cosmic evolution. “The Cliff” has led to a proposal that could resolve this problem: Little red dots are not galaxies, but instead supermassive black holes that are embedded in a thick envelope of gas. The researchers call this new class of object a “black hole star.” more

Anna de Graaff

Anna de Graaff, a researcher in Hans-Walter Rix's Galaxies and Cosmology (GC) department at the Max Planck Institute for Astronomy (MPIA) in Heidelberg, has been awarded one of the highly prestigious and well-funded grants from the European Research Council (ERC). Her project, entitled “Early Giants in Context: How could Galaxies Grow so Rapidly in the First Billion Years?”, will be funded with €1.5 million from an ERC Starting Grant starting in the summer of 2026. more

An artist’s impression of a protoplanetary disk around the young star V883 Orionis. The disk consists of gas and dust spiralling towards the central bright star, glowing in warm yellow and orange hues. The outer regions appear cooler and more diffuse. A zoom-in inset highlights the presence of complex organic molecules, depicted as ball-and-stick molecular structures, including propionitrile, glycolonitrile, alanine, glycine, ethylene glycol, and acetonitrile. These molecules are shown floating in space, representing the chemical composition of the disk.

Astronomers find signs of complex organic molecules – precursors to sugars and amino acids – in a planet-forming disc. more

Eva Maria Ahrer

Eva-Maria Ahrer, postdoctoral researcher at the Atmospheric Physics of Exoplanets (APEx) department headed by Laura Kreidberg at MPIA in Heidelberg, has been awarded a Minerva Fast Track Fellowship by the Max Planck Society. Starting in January 2026, this will allow the scientist to establish her own research group dedicated to investigating the diversity and formation history of exoplanets. more

A cylindrical, transparent container stands on an open, silver-coloured metal frame. It is filled with clear water, at the centre of which a slender, funnel-shaped vortex rotates from surface to bottom. The water surface is indented at the centre and slightly rippled at the edges. Tiny air bubbles are drawn downward by the vortex, forming fine lines along the inner wall. LED light strips encircle the container, making the vortex stand out starkly against the dark surroundings. The scene has the appearance of a scientific demonstration visualising fluid dynamics.

A new laboratory experiment uses a water tornado to investigate key physical processes in protoplanetary discs. more

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