Into the deep 🤿 At the bottom of a very dark swimming pool, divers are getting ready for missions to the Moon. Take a look at this a recent test in the Neutral Buoyancy Laboratory at @NASAJohnson. In this lab is where astronauts train for spacewalks, and soon, moonwalks. @NASAAstronauts are no strangers to extreme environments. We best prepare them by exposing them to training environments here on Earth that simulate the 1/6th gravity, suit mobility, lighting and lunar terrain they'll expect to see on a mission to the Moon. When astronauts go to the Moon’s South Pole through @NASAArtemis program, the Sun will only be a few degrees over the horizon, creating long, dark shadows. To recreate this environment, divers at the lab turned off the lights, put up black curtains on the pool walls to minimize reflection, and used powerful underwater lamps to simulate the environment astronauts might experience on lunar missions. The sand at the bottom is common pool filter sand with some other specialized combinations in the mix. This was a test with divers in SCUBA gear to get the lighting conditions right, but soon, NASA plans to conduct tests in this low-light environment using spacesuits. Credit: NASA
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