Lunar Trailblazer, an orbiter that shared a launch on Wednesday with the commercial Athena lander, will help scientists understand where the moon’s water is, and what form it takes.

An illustration shows NASA’s Lunar Trailblazer approaching the moon as it enters its science orbit in this artist’s concept. The small satellite will orbit about 60 miles (100 kilometers) above the lunar surface,

A dishwasher-sized NASA satellite was launched into space from Florida on Wednesday (February 26) to identify where water - a precious resource for lunar missions - resides on the moon's surface in places such as the permanently shadowed craters at its poles.