Looking for life?
With nine planets and over a hundred moons in our Solar System, there are plenty of places life could be lurking. But space scientist John Zarnecki narrows down likely suspects for alien life, past or present, to Mars, Jupiter's moon Europa and Saturn's moon Titan.
These places may not seem like home sweet home. But neither did our planet a long time ago, and now it's teeming with life. If other worlds had suitable conditions for long enough, life may have evolved there too...
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Was Mars home sweet home?
Image: NASA/JPL |
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