News about Astrophysics

Kig op i oktober: Dæmonstjernen pulserer i de mørke nætter

Mørke og ikke for kolde nætter giver optimale forhold for stjernekiggere i en oktober, som byder på lidt af hvert.

Colossal Collisions in Space send Shockwaves through the Universe: Gravitational waves break records with new observations

Gravitational waves shake the very fabric of the universe when black holes collide. Today we measure these events and use them to understand the cosmos.

Colossal collisions in space send shockwaves through the universe: Gravitational waves break records with new observations

Gravitational waves shake the very fabric of the universe when black holes collide. Today we measure these events and use them to understand the cosmos. Now University of Copenhagen researchers and their international…

Tycho supercomputer gets new green superpowers

With a new expansion of the Tycho supercomputer, the University of Copenhagen will get its first water-cooled and green supercomputer, that will be a virtual laboratory that supports research of the University.

Jose M. Ezquiaga Receives General Relativity and Gravitation Early Career Prize

Associate Professor Jose Maria Ezquiaga at the Niels Bohr Institute was awarded the 2025 IUPAP General Relativity and Gravitation Early Career Prize.

Vitor Cardoso Elected President of ISGRG

The International Society on General Relativity and Gravitational (ISGRG) has elected Professor Vítor Cardoso for President during the 2028-2031 triennium.

Vitor Cardoso receives Simons Foundation grant for strong gravity research

Vitor Cardoso is one of 12 PIs at different institutions, who will receive the support from the Simons Foundation for a collective project on gravity and black hole research.

Look up in June

Read here (in Danish) about the star trinity in the bright June night sky.

Center Coordinator retreat 2025

From September 1, 2025, the new Center of Gravity funded by the Danish National Research Foundation will officially start.

Galactic dust reveals hidden patterns in stunning new images from James Webb

Using the James Webb Space Telescope, a team of researchers led by a Danish bachelor student has uncovered surprising new details about the fine structure of cosmic dust in nearby galaxies.

The 5th Scandinavian meeting on gravitational-wave science

The Scandinavian community has been producing exciting results in the field and met for the 5th Meeting on Gravitational Wave Science in Scandinavia on May 15 and 16 at the University of Copenhagen.

First light from student-built radio telescope

During the last six months, academic employee Gaurav Kumar, together with master students Kaj Grimstrup, Jiazhe Li, and Omar Rashdan, have built two radio telescopes. One of them now observed its first light, while the…

Boosting high-frequency gravitational wave and ultralight dark matter searches

Boosting high-frequency gravitational wave and ultralight dark matter searches

Top Researchers Receive Multi-Million DKK Grants from Villum Foundation

How can we recycle plastic more effectively? And how can we transmit data using less energy? Eleven top researchers receive more than DKK 300 million from Villum Foundation for research that may help answer those…

Look up in May

Read here (in Danish) about which bright objects you can see on the night sky in May.

On the Trail of the Mystery of Time – New Book on Time for Non-Physicists

Associate Professor Troels Harmark has published a book, On the Trail of the Mystery of Time, which attempts to explain to ordinary people what the fascinating concept of "time" really is.

Staff Picks on Wolfram Community

Work by Strong Members is a Feature by the Staff Picks on Wolfram Community. The work, Forward ray tracing and hot spots in Kerr spacetime, was developed by Lihang Zhou a visiting student at Strong, Zhen Zhong, Yifan…

Cosmic whispers made LOUD by intervening matter

Every few minutes, somewhere in the Universe, a black hole encounters another and starts a fateless ritual around each other until their collision. Through this dance, space and time is excited, producing vibrations…

Kasper Elm Heintz among Berlingske’s Top 100 Talents

Congratulations to Kasper Elm Heintz, assistant professor at the Cosmic Dawn Center, who has been selected as one of the top 100 talents in Denmark 2025 in Berlingske’s annual award for his discoveries in observational…

Strong field gravity in India

Vitor visited colleagues Kothawala, Mishra and Sriramkumar at Chennai and delivered the Chandrasekhar Lecture

James Webb discovers earliest sign of the Universe becoming transparent

The first galaxies in the Universe were born enshrouded in a “foggy” gas, and could not be seen clearly until they had cleared up this fog. Using the James Webb Space Telescope, a team of researchers led by astronomers…

Gravitating Gestures

Gravitating Gestures (2025) captures the intimate processes of theoretical discovery, focusing on eleven physicists of the Niels Bohr Institute navigating the abstract planes of black hole physics.

Photography Competition at STRONG

Our latest social gathering uniquely blended science and art with a pre-screening of Gravitating Gestures, a captivating video artwork by Sjoerd Knibbeler, created during his 2024 residency with the Strong Group.

Galaxies do not affect black hole spectroscopy

When a black hole is disturbed, it “rings” like a bell before settling down - a phenomenon known as black hole ringdown. The study of the vibration modes of black holes is called spectroscopy, in analogy with atomic…