From Astronomy Magazine
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Digging deep into Mars
Although dozens of spacecraft have explored Mars’ surface, InSight is the first to target the planet’s interior.
Is Mars a dead world like the Moon, or an active, living terrestrial planet like Earth? That’s the $830 million question that an international team of scientists and engineers are trying to answer with the latest robotic inhabitant of the Red Planet.
NASA selected the InSight mission in 2012 from a pool of nearly 30 proposals for exploring the solar system that had been submitted to the space agency’s Discovery program competition two years earlier. InSight — short for “Interior Exploration using Seismic Investigations, Geodesy, and Heat Transport” — is, as the name implies, a mission designed to study the deep interior of Mars from the vantage point of a single station on the surface.
