Public outreach

This page is under construction.

Below you'll find a quick overview of my outreach activities — a more elaborate description is found on my old, non-mobile-friendly website.

Popular talks

I regularly give talks on galaxies, cosmology, stars, and other astronomy-related topics to high school students, astronomy associations, and the general public. Even in prisons!


I am regularly interviewed to newspapers, radio shows, online science sites, etc.

If you speak Danish, click below to see which five things you must know about galaxies:

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Answering questions

I answer questions on physics.StackExchange, astronomy.StackExchange, as well as in my own Q&A column.


I've designed posters and flyers on astronomy, arranged astronomy workshops, participated in public debates on science, created astronomy art, ...

Want to book a talk?
Or have a question about astronomy or physics?