http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Mars - the beginning, four and a half billion years ago
All Systems Go: White sands missile range. NASA's 'sounding rocket program' allows rocketeers young and old test their own low cost, high-risk spacecraft. Trailblazers: Spacecraft landings & spacewalks; the lessons learned in the early days are still in practice today. Big Bang: Planet Mars - journey back 4 and a half billion years back to when Mars was being formed from the gas and dust of the solar nebula and discovering its origins.
Title from resource description page (viewed July 15, 2014).