What is a spacewalk (and whats an EVA)?
// ‘ + ” + google_ads[i].line1 + ” + ” + google_ads[i].visible_url + ” + ” + ” + google_ads[i].line2 + ‘ ‘ + google_ads[i].line3 + ” } s += ‘Ads by Google’ if (google_ads[0].bidtype == “CPC”) { google_adnum = google_adnum + google_ads.length; } document.write(s); return; } // ]]> // When astronauts leave the protective confines of a spacecraft – such as the space shuttle or International Space Station – and float around in the vacuum of space, that’s called a spacewalk. NASA refers to these jaunts as extravehicular activities (EVAs), because they take place outside the vehicle. What do astronauts wear during a spacewalk? When leaving the pressurized, air-filled environment of a spacecraft, astronauts must don protective suits to keep their bodies safe from the harshness of space. NASA astronauts wear what’s called an EMU (extravehicular mobility unit), which includes a protective white suit and a strap-on pack that provides oxygen and other life support necessities. While wearin