Our Solar System Lost Two Planets!

By Sabine Hossenfelder

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🌏 Boost your online protection with an all-in-one security app! Get an exclusive NordVPN offer here + 4 extra months ➼ https://nordvpn.com/sabine Risk-free thanks to NordVPN's 30-day money-back guarantee! A new, computer-based calculation shows that our solar system used to have 5 or 6, rather than 4 gas giants. It seems that, billions of years ago, we lost two planets due to an instability that probably also tilted Uranus’s axis and scrambled up its moons. Let’s have a look. Paper: https://doi.org/10.1016/j.icarus.2026.117056 πŸ‘•T-shirts, mugs, posters and more: ➜ https://sabines-store.dashery.com/ πŸ’Œ Support me on Donorbox ➜ https://donorbox.org/swtg πŸ‘‰ Transcript with links to references on Patreon ➜ https://www.patreon.com/Sabine πŸ“ Transcripts and written news on Substack ➜ https://sciencewtg.substack.com/ πŸ“© Free weekly science newsletter ➜ https://sabinehossenfelder.com/newsletter/ πŸ‘‚ Audio only podcast ➜ https://open.spotify.com/show/0MkNfXlKnMPEUMEeKQYmYC πŸ”— Join this c

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