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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. This dust — tiny particles floating in space — plays a key role in how stars and planets are born, and how galaxies evolve. The new study shows that different kinds of dust clouds behave in very different ways, and even helps pinpoint the size of the smallest patterns that dust clouds naturally form inside galaxies.
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First light from student-built radio telescope
During the last six months, academic employee Gaurav Kumar, together with master students Kaj Grimstrup, Liazhe Li, and Omar Rashdan, have built two radio telescopes. One of them now observed its first light, while the other will follow soon. The two telescope will be mounted on the roof of the Niels Bohr Building, to be used for student projects in the future.
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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 astronomy and his contribution to our understanding of the early Universe.
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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 at the Cosmic Dawn Center in Copenhagen has now detected the hitherto most distant — and hence earliest — sign of this important epoch in the history of the Universe. A galaxy, seen only 330 million years after the Big Bang, has formed a bubble of transparent gas around itself, revealing that the epoch began earlier than thought. The result has been published in the prestigious journal Nature.
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Astro-Pic Of the Day
- W5: Pillars of Star FormationHow do stars form? Images of the star forming region W5 like those in the infrared by NASA's Wide Field Infrared Survey Explorer (WISE, later NEOWISE) satellite provide clear clues with indications that massive stars near the center of empty cavities are older than stars near the edges