Four police officers came to my building because a person had been spotted with a suspicious instrument. It was me and my telescope, trying to image C/2025 Lemmon. I surrendered unconditionally.

Behold the homemade 1.9 m radio telescope, built by DAWNers Gaurav, Kaj, Jiazhe, and Omar📡 The telescope received its first light last week, where the team was able to observe neutral hydrogen in the Milky Way from the institute's backyard. cosmicdawn.dk/news/first-l... @dg.dk

I like Lyman α for many reasons, including its ability to probe reionization:

In an extensive study on galaxy evolution through cosmic time, Marko Shuntov presents a plethora of interesting result, including how the total mass of the galaxies' stars and dark matter are related? 🇬🇧 cosmicdawn.dk/news/new-ins... 🇩🇰 cosmicdawn.dk/news-in-dani... @dg.dk

I just came back from Tromsø where I saw this. It was absolutely amazing 🤩 Flickering and shimmering around us. Even the red colors were visible to the naked eye!

1/3 I wrote my first single-author article, and I'm proud to say the a reference to Jon Bon Jovi made it through peer review 😃 arxiv.org/abs/2309.02486