Social media participants listen to a briefing on the Mars Atmosphere and Volatile Evolution or MAVEN.

In the conference room of Operations Support Building II at NASA's Kennedy Space Center in Florida, social media participants listen to a briefing on the Mars Atmosphere and Volatile Evolution, or MAVEN, mission by, from the left, Lisa May, MAVEN Program executive, Kelly Fast, Mars Program scientist, Sandra Cauffman, deputy project manager at the agency's Goddard Spaceflight Center, in Greenbelt, Md., and Chris Waters, systems design team lead at Lockheed Martin.

The social media participants gathered at the Florida spaceport for the launch of the Mars Atmosphere and Volatile Evolution, or MAVEN, spacecraft. Their visit included tours of key facilities and participating in presentations by key NASA leaders who updated the space agency's current efforts. Photo credit: NASA/Jim Grossman