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Scientific visualisation of a collection of debris discs around stars, shown in many individual views and different orientations. The image shows ring-shaped and disc-like dust structures, some seen face-on as bright rings, others tilted or edge-on as elongated, spindle-shaped features. The discs display irregular brightness patterns, gaps, and asymmetric concentrations, indicating dust and rocky debris in orbit. Colours range from yellow and orange to blue, representing different visualisation methods or physical properties. All objects are arranged in a regular grid on a black background.

New astronomical survey captures previously unknown growing pains in the lives of planets. more

Research highlights 2025

December 22, 2025

A look back at a year of research with many highlights more

Artistic depiction of a collision between two planetesimals – small celestial bodies –in the young planetary system around the star Fomalhaut. In the foreground, two dark, irregularly shaped objects crash into each other with great force. The impact site glows with bright orange cracks, and fragments of rock are ejected. In the background, a bright sun is visible, surrounded by a dusty debris disk filled with numerous small rocks. The scene illustrates a dynamic phase of planet formation, similar to what is thought to have occurred in the early Solar System.

Astronomers have repeatedly observed events near a distant star that mirror processes from the early solar system’s planet-forming era. more

Paul Mollière

Paul Mollière, leader of the independent research group on exoplanet atmospheric modeling and retrieval in Laura Kreidberg's "Astrophysics of Exoplanets" department at the Max Planck Institute for Astronomy (MPIA) in Heidelberg has been awarded one of the highly coveted and lucrative grants from the European Research Council (ERC). His project, entitled "From photons to storms: Revealing the 3D structure of giant exoplanet atmospheres," will be funded by an ERC Consolidator Grant worth almost 2 million euros. more

This image presents a grid of colour-enhanced astronomical observations, each depicting a circumstellar disc—structures of dust and gas surrounding stars. Every square in the grid represents a different star system, identified by catalogue names such as “HD 105”, “HD 377”, or “TWA 25”. The discs vary widely in shape, size, and orientation: some appear as well-defined rings, while others show elongated or irregular forms. The colour palette, dominated by purples and oranges, highlights brightness and contrast to reveal structural details. This visual diversity reflects different physical properties and evolutionary stages of the star systems, offering valuable insights into planetary formation and stellar development.

Images of dust around distant exoplanets provide a glimpse of asteroids and comets in other solar systems more

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