Magnetic Memories Of A Metal World

4.5 billion years ago in the violent, high-speed environment of the early solar system, a protoplanet roughly the size of Mars was involved in a series of fierce collisions with other large planetary bodies. A number of powerful impacts stripped the planet of its rocky mantle, leaving an exposed nickel-iron core. After further blows, break-away …Read More

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NASA Moves Up Launch Of Psyche Mission To A Metal Asteroid

Psyche, NASA’s Discovery Mission to a unique metal asteroid, has been moved up one year with launch in the summer of 2022, and with a planned arrival at the main belt asteroid in 2026 — four years earlier than the original timeline. “We challenged the mission design team to explore if an earlier launch date …Read More

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