This artist's concept shows the closest known planetary system to our own--Epsilon Eridani. Observations from NASA's Spitzer Space Telescope show that the system hosts two asteroid belts. Epsilon Eridani is located about 10 light-years away in the constellation Eridanus and is visible in the night skies with the naked eye. (NASA Media Archives). Buy this as a superb wall poster, a canvas print or a framed print.