Ologies with Alie Ward Cosmology (THE UNIVERSE) Part 1 Encore with Katie Mack
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Sep 5, 2023 Astrophysicist and cosmologist Dr. Katie Mack discusses updates in cosmology and her most embarrassing moments. Topics include particle physics, gravitational waves, dark matter, black holes, Stephen Hawking's influence, and the dangers of black holes. The chapter also explores the detection of gravitational waves and recommendations for beginner cosmology books.
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Cosmic Insignificance
- The Earth's insignificance is highlighted by its small size within the vast universe.
- This insignificance is compounded by regular matter only constituting 5% of the universe, with dark energy and dark matter making up the rest.
Bright Black Holes
- Black holes, often perceived as dark, can be some of the brightest objects in the universe.
- Their brightness comes from the hot matter swirling around and falling into them, a phenomenon known as quasars.
Early Inspiration
- Katie Mack's early interest in cosmology stemmed from exposure to Stephen Hawking's work and public appearances.
- Her mother, also a science enthusiast, facilitated this by taking her to physics lectures.