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Ep. 184: History of Astronomy, Part 2:The Greeks

With the earliest astronomers out of the way, we now move to one of the most productive eras in astronomy; the ancient Greeks. Even though they didn’t have telescopes, the Greeks worked out the size and shape of the Earth, the distance to the Moon and Sun, and even had some accurate ideas about our […]

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Sumerian Cuneiform Tablet

Ep. 183: History of Astronomy, Part 1: The Ancient Astronomers

We know you love a good series. This time we’re going to walk you through the history of astronomy, starting with the ancient astronomers and leading right up to the most recent discoveries. Today we’re going to start at the beginning, with the astronomers who first tried to understand the true nature of the Earth, […]

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Sir William Herschel

Ep. 172: William Herschel

Ancient astronomers knew of 5 planets, Mercury, Venus, Mars, Jupiter and Saturn – 6 if you count Earth. But then in 1781, William Herschel discovered an entirely new planet, boosting the number of planets to 7. Let’s learn about Herschel, his equipment, his discoveries, and his sister Caroline – an accomplished astronomer of her own. […]

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Enrico Fermi

Ep. 168: Enrico Fermi

Today’s episode of Astronomy Cast is about another famous physicist: Enrico Fermi. We’ve already taken a look at one of Fermi’s most famous ideas, the Fermi Paradox – or, where are all the aliens? But let’s meet the man behind the ideas, the namesake for the new Fermi mission. (more…)

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Ep. 120: The Christmas Star

With Christmas just around the corner, we thought we’d investigate a mystery that has puzzled historians for hundreds of years. In the bible, the birth of Jesus was announced by a bright star in the sky that led the three wise men to his birthplace. What are some possible astronomical objects that might look like […]

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