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RT @AstroAhura@twitter.com

This is one of my favorite animations on how to think about galaxy images across the observable universe (if humans aged over 13.4 billion years!)

From a 2013 episode of NHK's Cosmic Front on the first stars featuring @annafrebel@twitter.com, @astro_nino@twitter.com, @LordMartinRees@twitter.com, myself, and others

🐦🔗: twitter.com/AstroAhura/status/

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