Aboard the International Space Station, NASA astronaut Reid Wiseman caught volcanoes Etna & Stromboli erupting by day & European Space Agency astronaut Alexander Gerst snapped the same shot at night. Wiseman tweeted his image and wrote, "#Etna and #Stromboli erupting by day. astro_alex took the exact same shot at night, with lava. #teamwork." And Gerst wrote, "You can see the red glowing lava of 2 volcanoes on this photo! Spot them on astro_reid's day photo! #teamwork." Image Credit: NASA #space #iss #nasa #spacestation #exp40 #esa