Twenty Miles For Opportunity

NASA's Mars rover Opportunity recently passed the twenty mile mark in its travels across the Martian surface. That's a remarkable achievement for a vehicle that was meant to travel only 0.37 miles in its original, 90-day mission. That mission has become a more than seven year trek.

Opportunity's goal for the past couple of years has been the 14-mile wide crater, Endeavour. Scientists believe Endeavour's outcroppings hold significant data about the geological history of the planet. When Opportunity was first pointed towards Endeavour, it was a goal no one was sure Opportunity could reach. Now, it should reach the crater in just a few days.