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Revealed: the violent past of Andromeda, our neighbouring galaxy

3 October 2019 -
A team of astronomers, led by Professor Geraint Lewis, has revealed two periods over billions of years where Andromeda shredded incoming galaxies to create star clusters. ... ANU researcher Dr Dougal Mackey, who co-led the study with Professor Geraint
www.sydney.edu.au/news-opinion/news/2019/10/03/violent-past-of-andromeda-our-neighbouring-galaxy.html
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Quasar 'clocks' show Universe appears to run five times slower soon after the Big Bang

3 July 2023 -
Professor Geraint Lewis from the Sydney Institute for Astronomy in the School of Physics. ... Geraint Lewis from the School of Physics and Sydney Institute for Astronomy at the University of Sydney.
www.sydney.edu.au/news-opinion/news/2023/07/04/quasar-clocks-show-universe-appears-five-times-slower-after-big-bang-einstein-relativity.html
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Two Sydney scientists invited to speak at Royal Institution

12 August 2020 -
Both from the School of Physics in the Faculty of Science, Professor Geraint Lewis and Professor Zdenka Kuncic will present on their areas of research in engaging talks for the general ... Register to see Professor Geraint Lewis give his free Sydney
www.sydney.edu.au/science/news-and-events/2018/07/13/two-sydney-scientists-speak-at-royal-institution.html
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The stars that time forgot

30 July 2020 -
The study, published in Nature, was led by University of Sydney PhD student, Zhen Wan, and his supervisor, Professor Geraint Lewis, as part of the S. ... Professor Geraint Lewis in his office at the University of Sydney School of Physics.
www.sydney.edu.au/news-opinion/news/2020/07/30/stars-that-time-forgot-phoenix-stream-globular-cluster-metallicity.html
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How Einstein could help unlock the mysteries of space travel

9 December 2019 -
Professor of Astrophysics, Geraint Lewis, from the School of Physics will discuss how new work on the famous theory is opening up fresh possibilities for space travel at his National Science ... Professor Geraint Lewis. "In the next 100 or 200 years
www.sydney.edu.au/news-opinion/news/2015/08/11/how-einstein-could-help-unlock-the-mysteries-of-space-travel.html
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University of Sydney celebrates National Science Week

9 December 2019 -
Professor Geraint Lewis will discuss Einstein and black holes at his Sydney Science Week talk [Image: Stas1995/Flickr]. ... Professor of Astrophysics, Geraint Lewis, from the University of Sydney's School of Physics will lead the talk 'Einstein’s
www.sydney.edu.au/news-opinion/news/2015/08/06/university-of-sydney-celebrates-national-science-week.html
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The science of Star Wars - and how it has changed movies forever

17 December 2019 -
How an astrophysicist watches Star Wars. “While Star Wars is fantasy, it’s impossible to watch it without a scientific eye,” said astrophysicist, cosmologist and sci-fi fan Professor Geraint Lewis.
www.sydney.edu.au/news-opinion/news/2019/12/17/the-science-of-star-wars---and-how-it-has-changed-movies-forever.html
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A dark stream sheds new light on the life of galaxies

16 November 2022 -
Figure 1: Illustration depicting the movement of the Dulais Structure within the Andromeda galaxy [Credit: Geraint Lewis]. ... Figure 2: Illustration depicting Dulais Structure globular clusters strewn through Andromeda [Credit: Geraint Lewis].
www.sydney.edu.au/news-opinion/news/2022/11/16/a-dark-stream-sheds-new-light-on-the-life-of-galaxies.html
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Milky Way no freak accident, astronomers say

26 May 2021 -
The first side-on imaging of a galaxy much like our own suggests the Milky Way was the result of gradual evolution rather than a violent mash-up. The discovery also raises the prospect that galaxy formation could lead to life elsewhere in the
www.sydney.edu.au/news-opinion/news/2021/05/25/milky-way-no-freak-accident-astronomers-say.html