View Full Version : Tale Of Two Moons Reveals Asteroidís Insides

2013-Oct-08, 01:50 PM
Fluffy, with a core of density. That’s what the interior of the asteroid 87 Sylvia likely looks like, astronomers say. The neatest thing about that observation? It didn’t require a drill or even a spacecraft visit. That came from watching the orbits of the asteroid’s two moons, Romulus and Remus. The discovery illustrates the power […]

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