When the GRAIL rocket launched on September 10, 2011 from Cape Canaveral, Floria, Alex and Serene had front row seats at the blast. When your dad is a rocket scientist, rocket launches are among the perks. The Gravity Recovery and Interior Laboratory (GRAIL) mission are two small spacecraft launched by a Delta II rocket to the moon. The twin spacecraft will work in tandem to map the gravity field of the mooon for scientists to better understand the moon's interior and thermal energy.
