Fuego y humo iluminar un cielo azul causado por el lanzamiento de el cohete United Launch Alliance Delta II con la mision GRAIL de Cabo Cañaveral en Florida a las 9:08:52 EDT Sept.10. La nave se embarcarse en un viaje de tres meses para llegar a la Luna. GRAIL volará naves gemelas en tándem alrededor de la Luna para medir precisamente las variaciones en el campo gravitacional de la Luna y crear un mapa de gravedad.

Fire and smoke light up a blue sky as a United Launch Alliance Delta II Heavy rocket propels NASA's Gravity Recovery and Interior Laboratory (GRAIL) mission into space. Liftoff from Space Launch Complex 17B on Cape Canaveral Air Force Station in Florida was at 9:08:52 EDT Sept.10.

The spacecraft are embarking on a three-month journey to reach the moon. GRAIL will fly twin spacecraft in tandem around the moon to precisely measure and map variations in the moon's gravitational field.