How on Earth does NASA choose a landing site on Mars?

How on Earth does NASA choose a landing site on Mars? Pasadena CA (JPL) Dec 16, 2016 - Getting to the surface of Mars takes years of planning, engineering and science work, a successful launch, and a months-long journey of millions of miles. You only get one opportunity to touch down at a site on Mars, so it's critical to get it right. "You can't say, 'here are ten different sites, let's go to them,'" said Michael Meyer, the lead scientist for the Mars Exploration Program at NASA ... more

---