NASA's InSight lander touched down at 11:54 Pacific Time and followed a seven-month, 300 million-mile (485 million kilometer) journey from Southern California that started back in May. InSight will spend the next few hours cleaning its camera lens and unfurling its solar arrays. Once NASA confirms that the solar arrays have been properly deployed, engineers …
Probing The Insides of Mars to Learn How Rocky Planets Are Formed
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 …
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Many Worlds 