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Source: Chris Pedersen

Dark Matter Is Not "Fuzzy"

New research published in Physical Review Letters by former OKC Fellow Keir Rogers and OKC Director Hiranya Peiris rules out one of the more popular and well-motivated dark matter candidates.

Image of a star being pulled from a sphere into a long string as it passes close to the central BH

Did a spaghettified star close to a supermassive black hole send out a high-energy neutrino?

In a new article in Nature Astronomy researchers at the Oskar Klein Centre participate in a study that connects an energetic ghost-particle trapped in the Antarctic ice with a shredded star in a distant galaxy.

Logo for the LiteBIRD telescope, a yellow hummingbird in front of a blue satellite dish

Echoes from the infant universe

Developing metamaterial absorber technologies for the upcoming LiteBIRD satellite with support from the Swedish Space Agency.

Prof. Hiranya Peiris. Photo: Serena Nobili /Oskar Klein Centre

OKC Director Hiranya Peiris awarded the Eddington Medal 2021

"Prof. Hiranya Peiris wins the Eddington Medal for outstanding contributions to establishing the standard model of cosmology. Her work helped shift this field from a speculative area to a data-driven subject, creating new links between cosmology and high energy physics."

An image of Sheng Yang

THE BLOG

Interview with Sheng Yang

Sheng is a postdoc in the SU Astronomy Department who is hunting for electromagnetic counterparts to gravitational wave sources. He's ready to start learning to make Swedish food.