Category Archives: Galaxies

A Long Time Ago in a Dusty Galaxy Far Away

Dust is a very important element present everywhere in the Universe. In particular, dust attenuation absorbs, scatters and re-emits light.  Nevertheless, not much is known on how dust affects light from galaxies at high redshift, since it is difficult to observe them. Mónica Tress, a final-year-PhD explains more about how dust attenuation effects are studied in galaxies far away.

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Cosmic rays: the secret agent of galaxy evolution

Cosmic rays are rays of energetic particles and radiation, with their composition in our own Galaxy being dominated by protons. Ellis Owen, a final-year PhD student working on cosmic rays, star-formation and galaxy evolution, tells us about his research on them.

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