In the known history of our 4.5-billion-year-old solar system, the insides of but one planet have been explored and studied. While there's a lot left to know about the crust, the mantle and the core of the Earth, there is a large and vibrant field dedicated to that learning. Sometime next month, an extensive survey …
Continue reading "Probing The Insides of Mars to Learn How Rocky Planets Are Formed"
Many Worlds 