If you’ve fascinated by astronomy and want to keep up with the happenings scheduled in at NASA for the year 2011, there is something specially made for you. NASA has released the 10th Anniversary International Space Station Calendar which is available for download both in small file sizes (to print at home) and large sizes (high resolution) to print with the help of a professional printer.
You can download the calendar in normal PDF file (7.1 MB) or in hi-resolution PDF file (74 MB) at NASA. After downloading the PDF file, you can take printout (14 pages) the 2011 International Space Station calendar. (via)