Imagine maintaining your house as you orbit the Earth 250 miles above at 17,500 mph. As you work, you experience a breathtaking view of the Earth below you as you soar over oceans, islands, pyramids, lights, deserts, and rivers experiencing a sunrise and a sunset every 90 minutes. NASA astronauts Terry Virts and Barry Wilmore experienced that mind-blowing workday as they performed three spacewalks within eight days on Feb. 21, Feb. 25 and March 1 of 2015. As they worked, six-time spacewalker and Astronaut Doug Wheelock was there to answer our spacewalk-related questions on Twitter.
12 Facts To Make You Feel Like An Astronaut On A Spacewalk | NASA
E con un miglior flusso sanguigno costantemente il viagra, abbiamo una migliore erezione.