Ian’s Astronomy Blog
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Cosmos: A Spacetime Odyssey Episode 9
In this final blog post I will review and discuss my opinions on the 9th episode of Neil deGrasse Tyson’s cosmos, “The Lost Worlds of Planet Earth”. In this episode Tyson covers the history and physical landscape (also known as Palaeogeography) of planet earth. He starts by covering how most of the worlds coal sources…
Cosmos: A Spacetime Odyssey Episode 8
Episode 8 of Neil deGrasse Tyson’s cosmos “Sisters of the Sun” focuses on the composition and life-cycle of stars. The episode starts of describing how different cultures in history created constellations specifically the Greeks and the Pleiades. Tyson then goes on to give us an overview of the works of Edward Pickering and how he…
Cosmos: A Spacetime Odyssey Episode 7
This episode is focused around how the age of the earth was originally discovered by Clair Patterson and some of the methods used to date things today. The episode starts of with Neil Degrasse Tyson describing how the earth was formed slightly after (millions of years) after the formation of the sun. Tyson later goes…
Ian's AST Blog 