Ian Randall reviews What’s Hidden Inside Planets? by Sabine Stanley <a href="https://platoblockchain.net/wp-content/uploads/2024/05/what-lies-beneath-unearthing-the-secret-interior-lives-of-planets-physics-world-2.jpg" data-fancybox data-src="https://platoblockchain.net/wp-content/uploads/2024/05/what-lies-beneath-unearthing-the-secret-interior-lives-of-planets-physics-world-2.jpg" data-caption="Hidden depths We have sent probes to the furthest reaches of...