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We'll be travelling across the universe tonight to find out how stars and galaxies are born and what happens when they die. And just what does dark matter have to do with it? Come along to hear about the latest discoveries from space!
We Are Stardust!
Professor Raman Prinja
(Professor of Astrophysics & Head of Physics and Astronomy Department at UCL )
Massive stars are among the most prolific objects in the Universe. Using the latest images from space telescopes, this talk will cover recent discoveries about the birth, life and death of the most powerful and luminous stars. The connection between this stellar cycle and life on Earth will be discussed, including the building of life-giving chemical elements and their violent dispersal across galaxies. All as part of a great cosmic recycling.
The Missing Universe: The Mystery of Dark Matter
Claudia Muni
(PhD student in the Physics and Astronomy Department)
Many years of astronomical observations have revealed that stars, galaxies, and all the visible matter in the universe are only a very small fraction of everything that exists out there. Most of the matter is thought to be made of a mysterious substance known as dark matter which does not interact with light, and is therefore completely invisible to us. In this talk I will discuss how we can infer the existence of dark matter, why its influence is fundamental for the evolution of all galaxies (including our own), and how we use cosmological simulations to try to uncover its true nature.
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