X-ray: NASA/CXC/University of Michigan/J-T Li et al.; Optical: NASA/STScI

In 2010, astronomers from the Fermi Gamma-ray Space Telescope announced the discovery of two giant bubbles with a massive 25,000 light years, centered at the core of the Milky Way, but new discoveries have helped shed more light on this unique phenomenon, which is only observed in our own galaxy.

Morten Remar has met with Master's student Klara Karlsmose from the Physics Department at Aarhus Univeristy, for help in understanding these mysterious bubbles.

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You can find out more about the topic in English here:

• Fermi Bubbles

• NGC 3079: Galactic Bubbles Play Cosmic Pinball with Energetic Particles

• Chandra Detects Ultra-Energetic Particles from NGC 3079’s ‘Fermi Bubbles’

The podcast was produced with support from the Novo Nordisk Foundation.