Astronomy Picture of the Day . ... 11.02.2010 . This pretty open cluster of stars, M34, is about the size of the Full Moon on the sky. Easy to appreciate in small telescopes, it lies some 1,800 light-years away in the constellation Perseus. ... Night Launch of the Space Shuttle Endeavour . ... Dust Storm on Mars . ... Pictured above, what Hubble saw indicates that P/2010 A2 is unlike any object ever seen before. ... Mars, on the far upper left, is the brightest object in the above picture. ...