Why Do Planets Spin In Different Directions And Have Tilted Axes | 4K

Описание: Why do some planets spin backwards? Why does Uranus roll on its side, and Venus rotate in slow-motion retrograde like it’s trying to break all the rules? In this video, we explore one of the weirdest and least understood mysteries of planetary science: why planetary axes are tilted so differently across the solar system. From Venus’ retrograde spin to Uranus’ extreme 97.8° tilt, we break down the popular nebular theory, dive into late heavy bombardment impact models, and explore orbital resonances, gravitational chaos, and tidal friction to see what might explain these cosmic oddities.

We also look at how our solar system formed from a protoplanetary disc, why most planets orbit in the same orbital plane, and why the Sun’s axis is tilted relative to the ecliptic. Could the axis tilts be the result of ancient collisions, or something even more mysterious? What role do moons, atmospheres, or migration play? If you’ve ever wondered why Earth’s 23.5° tilt gives us seasons, or how Mercury dodged all this drama, this is the deep dive for you. Hit that like button, subscribe for more space science content, and join us in questioning what we thought we knew about the solar system.

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Credits: Ron Miller, Mark A. Garlick / MarkGarlick.com ,Elon Musk/SpaceX/ Flickr
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00:00 Intro
2:20 Protoplanetary disk
4:48 The most credited hypothesis: impacts
6:44 The first arrivals: Jupiter and Saturn
8:36 Resonances?
9:44 The extreme cases of Venus and Uranus
13:28 Doubts for all tastes
15:30 What about Earth? Thanks Moon
16:29 And the Sun?
18:08 Why do all the planets orbit in the same plane?
24:29 Trojan asteroids and Neos
25:50 The ecliptic
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#insanecuriosity #planetax #planetaryorbits