August 22, 2020, is the 100th anniversary of science fiction author Ray Bradbury’s birth. To honor the centennial, Museum geologist John Grant reflects on Bradbury’s impact on his career studying Mars.
Recent research conducted by the Lunar Reconnaisance Orbiter (LRO) team indicates that moonquakes on our Moon were caused by active lunar faults -- meaning that the Moon is currently tectonically active and that the moonquakes are a result of the shrinking Moon.
Scientists believe our planet has a metallic inner core, but we can’t exactly crack it open and check. Instead, NASA is sending a mission to an asteroid named Psyche, which appears to be a nickel-iron planetary core a lot like the one at the center of the Earth.