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Curated by: Dr. Becky (15 videos)
Visit http://brilliant.org/DrBecky/ to get started learning STEM for free, and the first 200 people will get 20% off their annual premium subscription. In Moonfall, the Moon tumbles out of orbit due to alien intervention and chaos and destruction reign on Earth. But which parts of the movie follow actual science and which parts are definitely FICTION? I never thought I'd be calculating the mass of a white dwarf the size of the Moon, but here we are... Watch Moonfall on Amazon Prime now: https://www.amazon.co.uk/Moonfall-Halle-Berry/dp/B09WR1MZFV For more information on NASA's DART mission to redirect an asteroid see: https://youtu.be/EMPSjOAgNmI and this NASA page: https://www.nasa.gov/planetarydefense/dart/ 01:01 - Why solar eclipses are coincidences not conspiracies 02:47 - The Moon isn’t hollow 03:55 - How to change the orbit of a solar system object 05:36 - The DART mission to redirect an asteroid 06:09 - The Moon’s elliptical orbit 06:31 - The Roche limit 08:32 - Calculating the Earth-Moon Roche limit 09:14 - High tide times and the phases of the Moon 10:36 - “Gravity waves” and gravitational waves 12:27 - Moonrise and increased gravity 13:12 - The Moon has a white dwarf inside?! 15:31 - Calculating the mass of a white dwarf the size of the Moon 17:26 - Sounds like Brian Cox 17:47 - Stop destroying the Hubble Space Telescope! 18:36 - The End 19:41 - Brilliant 20:55 - Bloopers --- 👕 Check out my merch here: https://teespring.com/stores/dr-becky --- 📚 "Space: 10 Things You Should Know" - UK Edition: http://bit.ly/SpaceDrBecky 📚 US & Canada version: "Space at the speed of light" (same book, different title, with some beautiful illustrations): https://www.penguinrandomhouse.com/books/635406/space-at-the-speed-of-light-by-dr-becky-smethurst/ 📚 German translation "Das kleine Buch vom großen Knall" : https://www.dtv.de/buch/becky-smethurst-das-kleine-buch-vom-grossen-knall-28254/ --- 🎧 Royal Astronomical Society Podcast that I co-host: podfollow.com/supermassive --- 🔔 Don't forget to subscribe and click the little bell icon to be notified when I post a new video! --- 👩🏽💻 I'm Dr Becky Smethurst, an astrophysicist at University of Oxford (Christ Church). I love making videos about science with an unnatural level of enthusiasm. I like to focus on *how* we know things, not just what we know. And especially, the things we still don't know. If you've ever wondered about something in space and couldn't find an answer online - you can ask me! My day job is to do research into how supermassive black holes can affect the galaxies that they live in. In particular, I look at whether the energy output from the disk of material orbiting around a growing supermassive black hole can stop a galaxy from forming stars. http://drbecky.uk.com https://rebeccasmethurst.co.uk