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By Sabrina Stierwalt on August 28, 2019 in
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Our universe is 13.8 billion years old,. How do astronomers arrive at such an enormous number? more with Sabrina @qdteinstein @quickdirtytips at #365daysOfAstro

By Lyla's Uncle Johnny on May 29, 2009 in
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Date: May 29, 2009 Title: Dear Lyla, This is where you came from Podcaster: Lyla’s Uncle Johnny Organization: None Description: May 29th will be my niece’s 1st birthday. I’ll write/read her a “letter” explaining where the heavier elements in her body came from, explaining how they were created millions of years ago in supernova explosions […]