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Exploring the Cosmos: From Atoms to Galaxies

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Past event - 2021
19 May 7pm to 8pm
(UK time)
Live, YouTube,
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Science going
It’s never been a more exciting time for space exploration. From the landing of the Mars Perseverance Rover to the launch of the James Webb Space Telescope, the SpaceX Inspiration4 mission, and so much more. So, to celebrate these astronomical achievements, we have planned an evening of talks from early career researchers of the E. A. Milne Centre for Astrophysics. Let us discover what the future of astronomy could look like.

Turning back the Cosmic Clock

Leah Cox (PhD Student)
.A “Cosmic Clock” enables astronomers to age and date regions of the galaxy by exploring the chemical abundance of the most pristine stars, in terms of their composition, in the oldest components of our galaxy. It ultimately allows for the exploration of the driving forces behind the physics and chemistry which shapes the formation and evolution of Galaxies. So, how exactly do we use cosmic clocks and what does it mean to the future of Astronomy?

The Social Network: Connecting Galaxies in the Cosmic Web

Emily Shelton (MSc Research Student)
Despite how it may seem, the Universe isn’t a jumble of stars and galaxies randomly spread across the night sky. Instead, it is an organised structure of interconnecting giant branches of clustered galaxies and gases that weave throughout the Universe in between large voids. This poses a question: how connected are these galaxies? The answer lies in how friendly these galaxies are to each other, and what we have discovered so far has huge research ramifications. From what the Universe looks like on large scales, to the kind of Universe we live in, and what this means for the fate of us all.

Born from Stars: The Origins of Chemical Elements

Kate Womack (MSc Research Student)
All matter in the universe, from phone screens to family members, is all made from chemical elements. Literally, everything. But where did these chemical elements come from? To answer this, we must look to the stars. Again, literally, look to the stars. Stars can make every element that we can observe on Earth. But not every element is made in the same way. In order to produce all the elements, stars of different sizes and stages of life go through vastly different processes. This talk will give a rundown of where and how the elements are made and why we are all born from stars

Hosted by Kiri Newson

Join host and fellow Ph.D. student in medical physics, Kiri Newson, as she guides you on your journey through the cosmos.

Featuring Prof Brad Gibson

Professor Brad Gibson (Director of E.A. Milne Centre for Astrophysics)
On the 18th February 2021, the Perseverance Mars Rover (Percy for short) successfully landed on the surface of Mars. Its mission: To seek signs of ancient life and collect samples of rock for a possible return to Earth. So, how is Percy getting along? Mars Correspondent Prof Brad Gibson has the scoop.