Google Mars

Something someone might be interested in - Google have started a service similar to that used for their mapping service, called Google Mars. It seems that only a small section is available to view, but I assume they're going to expand this and integrate it into Google Earth, where the lovely picture of my house at the top of this page comes from (note to self: copyright the term Google Solar System immediately!). There are links to features on the planet's surface, and links to cool stuff like flythrough videos of parts of Mars.
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added 17/03/06
You can also view the moon on the imaginatively-titled Google Moon. For fun, zoom all the way in to see what the moon is made of!