Who: Carolyn Porco
What about: Saturn
What did you learn: We sent a man-made machine to the plant Saturn and it arrived in 2004. This was the furthest distance from the sun anyone has sent a man-made machine. When we got to Titan, a moon near Saturn we discovered it was covered by haze and methane and other chemicals so dense that sunlight couldn't get to the surface of it. We couldn't get pictures of the surface because it was so thick so we couldn't get a clear picture of it. We finally got super cameras that could see through the smog and haze and to our amazment we found that it only had a few crators which means it was fairly new.
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