Sending humans to Mars poses an extraordinary set of challenges"the long distances, the need to carry massive amounts of materials into space, and the off-the-charts radiation levels"so in National Geographic's "Mars Up Close," it's no surprise that a more modest project known as Curiosity takes center stage. The one-ton, SUV-sized vehicle that parachuted safely onto [...]
SOURCE: Washington City Paper at 10:34AM on August 5, 2014