... Martian Analemma . 29.12.2006 . On planet Earth, an analemma is the figure-8 loop you get when you mark the position of the Sun at the same time each day throughout the year. ... Moon Over Andromeda . ... The Great Spiral Galaxy in Andromeda (aka M31), a mere 2.5 million light-years distant, is the closest large spiral to our own Milky Way. ... If you look carefully enough, you can even see the glow of the Sun in the opposite direction. ... Upgrading the International Space Station . ...