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Problems? Your computer may refuse to show anything other than an empty box. If so, and you are using Windows 7 as the webmaster does, fixing the problem is most simple. Print the image you will come to here & follow the few instructions. In other browsers I presume that you would follow the same approach i.e. get to the 'Java' program on your computer & fix the security level.

Of course you do need to install 'Java' to be able to see it. Easily done! It installs quickly & it is free. Just click on 'Free Java Download' here.

This image of the moon appears here with the kind permission of Malaysian photographer Laurence Poh, who has his own superb website available here.