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Podcast: Travelers In The Night
Episode: 319E-338-Psyche Bound
Description: When the material came together to form our home planet, gravity was strong enough to pull the heavy materials like iron to the center, giving our planet an iron core. The vast majority of the hundreds of thousands of known asteroids and comets orbiting our Sun are made of mixtures of rocks and ices of various substances. They do not have enough gravity to cause heavy materials to move to their centers. From scientific measurements the asteroid Psyche appears to be composed almost entirely of iron, nickel, and possibly other valuable metals. Perhaps the Massachusetts sized, 130 mile diameter, asteroid Psyche...