
'Aquanauts' will spend nearly two weeks at a depth of 60 feet, off the coast of Florida
After waiting out stormy weather and rough seas, a team of astronauts successfully began a tough mission Thursday, but instead of launching into space, this crew is headed for the ocean floor on a mock asteroid trip.
NASA's NEEMO 15 expedition will simulate aspects of a mission to an asteroid. In this illustration, a configured rock wall can be seen near the underwater Aquarius laboratory.
The six "aquanauts" splashed down at 2:15 p.m. EDT (1815 GMT) and will spend the next 13 days living inside a small laboratory called Aquarius on the ocean floor during their undersea mission to test different ways to explore an asteroid. The expedition was originally...