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If the moon were only 1 pixel, a tediously accurate scale model of the solar system: https://joshworth.com/dev/pixelspace/... Topic 3 - Earth-Moon-Sun Systems Specification: • Be able to use the relative sizes of the Earth, Moon and Sun • Be able to use the relative distances between the Earth, Moon and Sun • Understand how Eratosthenes and Aristarchus used observations of the Moon and Sun to determine successively: 🡒 diameter of the Earth 🡒 diameter of the Moon 🡒 distance to the Moon 🡒 distance to the Sun 🡒 diameter of the Sun • Be able to use information about the mean diameter of the Sun (1400000 km) • Understand the relative effects of the Sun and Moon in producing high and low, spring and neap tides • Understand how the gradual precession of the Earth’s axis affects the appearance of the Sun, Moon and stars, when observed from Earth, and its use in archaeoastronomy • Be able to use data relating to the rate of precession of the Earth’s axis • Understand the appearance of the Sun during partial, total and annular solar eclipses, including the terms first, second, third and fourth umbral contact • Understand the appearance of the Moon during partial and total lunar eclipses, including the terms first, second, third and fourth umbral contact • Understand the causes of solar and lunar eclipses ☕️ Like what I'm doing? Consider supporting me: https://physicswithkeith.com/support-me/ 🔗Link to the video about tides I mention: • What Physics Teachers Get Wrong About Tide... 🔗Link to the Facebook Group: / freephysicstuition 🔗Link to my website https://physicswithkeith.com 🙏 Please don't forget to subscribe if you want to get updates when I release more videos: https://www.youtube.com/physicswithke...