Image of a cosmic area with a prominent bright halo, surrounded by diffuse gas clouds and scattered star formations, labeled "r200m".

Baryons at the Edge: SRG/eROSITA Survey Detects “Missing” Cosmic Gas at the Outskirts of Galaxy Clusters

A team of researchers at MPE has used data from the eROSITA sky survey to discover hot gas extending far beyond the known boundaries of galaxy clusters. This discovery provides new insights into the growth of these cosmic structures and helps solve the mystery of the “missing baryons.”
A scientific collage of 112 square individual images from the Euclid space telescope, arranged in a six-by-six grid on a black background. Each square shows a different strong gravitational lens in the distant universe. At the center of nearly every image is a bright, mostly yellowish-white foreground galaxy. Surrounding these central galaxies, the effects of spacetime curvature are clearly visible: the light from even more distant background galaxies appears as blue arcs of light, circularly curved arcs, filamentary structures, or nearly closed rings—so-called Einstein rings. Some images also show point-like multiple images of the same background galaxy, arranged symmetrically around the center. The details are very sharp, and in the background of each square, additional tiny, distant galaxies and stars are visible as points of light.

10,000 Euclid lenses wanted: MPE call for Space Warps

The Max Planck Institute for Extraterrestrial Physics (MPE) in Garching is inviting the public to take part in the ‘Space Warps’ citizen science project on the Zooniverse platform. Volunteers are asked to identify strong gravitational lenses in as yet unpublished images from ESA’s Euclid space telescope. Scientists expect over 10,000 new candidates – more than in 50 years of all previous discoveries combined.
Detailed X-ray image of the sky, illustrating various cosmic phenomena with vibrant colors and bright spots.

Space Telescope Studies Solar System X-ray Glow
 

SRG/eROSITA reveals how our Solar System modifies the appearance of the X-ray sky
Two exoplanets near a star and a graph. To confirm that this new object is indeed a planet and not an extended clump of material within the disc, astronomers observed it with the GRAVITY+ instrument at the VLT Interferometer (VLTI). The VLTI combines the light of several telescopes and is therefore sensitive to very small details. Using GRAVITY+, the team confirmed that that the new object is a point-like source and not an extended cloud within the disc.

Rare Discovery of Two Protoplanets
 

Using the GRAVITY instrument on the ESO’s VLT Interferometer, astronomers have confirmed the existence of the protoplanet WISPIT 2c. This new discovery offers rare insights into planet formation and shows that planetary systems can form in parallel.
A moon and a planet next to each other

Conditions suitable for life on distant moons

Even in the darkness of space, life could be possible: A team of researchers from the ORIGINS Cluster has shown that moons of free-floating planets can keep their oceans liquid for billions of years.
Large Binocular Telescope on Mount Graham, Arizona, USA in front of starry sky.

Measuring the expansion of the universe with cosmic fireworks

Munich astronomers image and model extremely rare gravitationally lensed supernova
Four observatories atop a hill project multiple laser beams into a deep blue, star-filled night sky, suggesting astronomical observation.

Paranal: Night Sky Secured – A Triumph for the Astronomers’ Protest

Protest by Nobel Laureate Professor Reinhard Genzel and the Astronomy Community proves successful: Industry project canceled.
A molecular model with colored atoms is set against a dramatic orange and red nebula, suggesting a scientific exploration theme.

New insights into the origins of the chemistry of life

Astrophysicists Discover Largest Sulfur-Containing Molecular Compound in Space
Multiple observatory telescopes with laser beams directed at the night sky under clear conditions, highlighting modern astronomical research equipment.

Dawn of a New Era of Interferometry with GRAVITY+

Beginning of November 2025, four lasers were fired into the sky above ESO’s Paranal Observatory in Chile, each creating an artificial star to help astronomers measure and correct atmospheric blur. This impressive launch, one from each 8-meter telescope, marks a key milestone of the GRAVITY+ project, led by MPE, significantly enhancing the VLTI’s ability to observe fainter objects and cover more of the southern sky.
Star field with multicolored spectral graphs illustrating intensity and wavelength data, highlighting cosmic elements.

4MOST Begins its Journey of Cosmic Discovery

First light marks the start of an ambitious mission to decode the physical and chemical fingerprints of thousands of celestial objects at once.

People and Project News

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"The Beauty of Science - On Knowing What We Know, and What We Don’t"

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"Software- und Lizenzworkshop 2026"

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May 12, 2026 from 03:00 PM to 04:00 PM (Local Time Germany)

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"How to Assemble an Overmassive Black Hole"

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"Lost in Space? Navigating Power Imbalance in Academia"

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"Dissecting the High Energy Plasma Environment of Sagittarius A*"

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"A Short Introduction Into Obsidian, Overleaf and Zotero"

May 18, 2026 from 02:00 PM to 03:00 PM (Local Time Germany)

"Searching for the Trilinear Higgs Coupling with the ATLAS Detector"

May 18, 2026 from 02:30 PM to 03:00 PM (Local Time Germany)

"Prospects of Constraining Cosmic Dawn Using 21cm Line Intensity Mapping"

May 18, 2026 from 03:30 PM to 04:30 PM (Local Time Germany)

"Astromaterial Science of Neutron Stars"

May 18, 2026 from 05:00 PM to 06:00 PM (Local Time Germany)

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May 19, 2026 from 12:00 PM to 12:45 PM (Local Time Germany)

"What Can Stellar Streams Tell Us About Dark Matter?"

May 19, 2026 from 12:30 PM to 01:30 PM (Local Time Germany)

"What Are Other Worlds Made Out Of?"

May 19, 2026 from 03:00 PM to 04:00 PM (Local Time Germany)

"Clouds... Chaos... Planets... Crafting New Worlds"

May 19, 2026 from 06:30 PM to 08:30 PM (Local Time Germany)

"Polarization Variability in Tidal Disruption Events"

May 20, 2026 from 10:00 AM to 11:00 AM (Local Time Germany)

"The Cosmic and Galactic Baryon Cycles"

May 20, 2026 from 11:00 AM to 12:00 PM (Local Time Germany)

"Spaceborne Interferometry for Bridge Monitoring"

May 20, 2026 from 01:00 PM to 02:00 PM (Local Time Germany)

"The Co-Evolution of Black Holes and Their Host Galaxies"

May 20, 2026 from 02:00 PM to 03:00 PM (Local Time Germany)

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May 21, 2026 from 10:00 AM to 10:30 AM (Local Time Germany)

"The Beauty of Science - On Knowing What We Know, and What We Don’t"

May 21, 2026 from 12:00 PM to 01:00 PM (Local Time Germany)

"The Impact of Cosmic Rays on Structure Formation"

May 21, 2026 from 03:15 PM to 04:15 PM (Local Time Germany)

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