Stunning Ice-Covered Great Lakes Seen from Space. NASA's Aqua satellite captured this image of the lakes on the early afternoon of Feb. 19, 2014. At the time, 80.3 percent of the five lakes were covered in ice.
Auroras occur on other planets as well. Similar to the Earth's aurora, they are visible close to the planet's magnetic poles. Astronomers have spotted the lights on Jupiter, Saturn, Uranus and Neptune.