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Geraint F. Lewis
Cosmic_Horizons
Did you know that there was a time when the universe was blue? But if you were there, you would not be able to see it. Let’s try and understand
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A little while ago, I consulted on a video by @veritasium (& @SciencePetr) in the fact that you cannot measure the one-way speed of light. https://youtu.be/pTn6Ewhb27k So many people said “obviously
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Big day - my PhD student, Zhen Wan’s paper “The Tidal Remnant of a Metal-Poor Globular Cluster” appeared in NatureA big team effort with @sazabi_li @FadAstra @_sarahmartell_ @deniserkal @dougalmackey @alexanderpji
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