In the dark
There's still a lot we don't know about the Earth - so just imagine trying to explore unknown planets and moons!
In January 2005 the Huygens probe is due to reach Saturn's moon Titan. Space investigators don't know if Titan's surface is liquid or solid, so they've had to develop equipment that could survive either a splashdown or a rocky landing.
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Titan is shrouded in mystery
Image: NASA/JPL |
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